Medline says it partners with other manufacturers besides the one we link to above, but it does not disclose them. Powecom Non-Medical Disposable KN95 Respirator Face Masks. Powecom products. According to the CDC, 60% of respirator masks sold in the U.S. are counterfeit and do not meet NIOSH requirements, so youll want to make sure that your N95 and KN95 masks have the correct approvals. The mask feels a tad softer and thinner than most of the surgical-style masks weve tried. 1. The Makrite 910 is a duckbill-shaped N95 like the Kimberly-Clark mask we recommend, but it is not nearly as comfortable. Another option is to wear disposable masks more than once. 1. A true NIOSH-approved respirator will. The Powecom KN95 mask comes with latex-free ear loops and an adjustable metal nose piece. Scrape off the coating of the anti-fake label (sticker), visit www.powecom.com and click the navigation "ANTI-FAKE CHECK" This mask is currently out of stock. The fasteners have ridges, which improve grip. This KN95 mask comes in a box of 20 and claims to effectively resist fine particles. Bona Fide Masks (together with While health-care workers are typically advised to throw out their masks after a single use, thats not always necessary for everyone else. Respirators more often than not come in one size, so we like that this one comes in three: small (for kids), medium, and large. With pandemic-related recommendations and regulations continually evolving along with the coronavirus itself, masks will likely remain a part of peoples lives for some time. Level 1 indicates that the mask blocks out 95% of particles at 0.1 to 5 microns in diameter at certain flow rates following another set of challenges. Failure to following all instructions and limitations on the use of the KN95 protective masks can reduce its protection performance and may result in sickness or death The nose-bridge wire is cushioned by a foam strip, however, and this model is NIOSH-approved. Wirecutter is the product recommendation service from The New York Times. $13. Store the mask in clean and cool place. When we tested the FLTR95 Sealing Face Mask it was sold at Costco in a pack of 100. Input the numbers shown on the label. You can press this mask in half, but because of the bracket, it doesnt stay folded like the others on this list. . We set out to identify and find authentic disposable respirator masks, from reputable sellers, that are reasonably priced and well built. Some testers said the masks smelled funny (dusty, described one panelist); wed take these masks out of the packaging and let them air out before wearing. Vida. My husband and I tested the masks for fit, comfort, and (for those who want to layer up) compatibility with our cloth-mask picks. If a retailer or manufacturer claims the KN95 masks are NIOSH-approved, you've most likely encountered a counterfeit product. The DemeTECH NIOSH N95 respirator face mask has been highly rated as a protective N95 mask that can be worn daily with comfort and ease. Not only do these masks come in pleasant colors like Seafoam, Denim, Blush, Coral, and Lavender, but they're . EXCLUSIVE DISTRIBUTORforthe Avoid high temperature over 40C and humidity over 80% Considering that its sold only in bulk (100 masks), we thought it was cost-prohibitive for people whod like to make sure their mask fits before going all-in. (SARS-CoV-2, the virus that causes COVID-19, has an expected survival time of 72 hours.). But if youd like to try one, the Kyungin Flax KF94 is one of the more affordable models weve tried. What we dont like: The DemeMask is costlier than most pleated masks you can find online or in a drugstore, though its price is roughly in line with that of masks offering similar filtration credentials, such as the CVS Health Surgical Face Mask, a former pick. The more expensive option is from N95MaskCo and is NIOSH approved. Surgical masks are less expensive and less thick than N95 designs and other respirators, but because they tend to gape at the sides, they require some adjustments for optimal protection. Generally speaking, if youre fogging up your glasses, its not a perfect seal, said Hana Akselrod, assistant professor of medicine in the division of infectious diseases at George Washington University School of Medicine. Note, too, that this mask is truly for one-time use: With too much wear and tear or rough usage, the bands can rip, and the nose-bridge wire on top can become unstuck. While the large size was too large for many panelists (it might be good if youve determined that most masks are too small for you), the medium size was much smallerand, in fact, too small for me. manufacturer Guangzhou Powecom in the U.S. since 2020. Its costlier than most disposable pleated masks but frequently goes on sale. Input the numbers shown on the label. This mask doesnt feel the easiest to breathe throughbut that suggests some degree of filtration efficiency. For this guide, I tracked down legitimate respirators and masks, as well as reliable retailers that sell them. Nevertheless, in order to gain FDA clearance, either through 510(k) or the agencys emergency use authorization, surgical masks undergo testing to meet voluntary consensus standards set by ASTM International (formerly the American Society for Testing and Materials)and those standards include achieving a level of filtration efficiency. Its construction features multiple breathable layers of filtration. The Harley Commodity N95 Particulate Respirator, sold at Bona Fide Masks, may be a better fit than most for people with larger faces. Winner Medical confirmed to us that it designs masks according to a clients specifications while still ensuring the same protective effects. Advertisement - Continue Reading Below 7 Kids KN95 Disposable Face Masks Now 20% Off directly to terminal Consumers"is very clear. The most affordable FDA-authorized disposable mask weve seen isnt particularly soft, but it is sturdy, and it has generous ear loops. anti-fake sticker for Each bag of earloop KN95 Protective Masks Yes, outside of the health-care setting, most people can safely reuse some disposable face masks. 2023 BuzzFeed, Inc. All rights reserved. Weve vetted the sellers and manufacturers to confirm that youre getting the genuine article. Christina Szalinksi contributed reporting. Powecom Children's Sized KN95-SM Respirator Mask Buy Now Powecom was another mask maker that used to have emergency use authorization for its KN95 masks. . PFE over 95% ( at least) As its name indicates, the Medline ASTM Level 1 Procedure Face Mask with Ear Loops meets ASTM Level 1 standards, which means it blocks at least 95% of particles measuring 0.1 micron in diameter or larger. With the proper fit, masks approved by the National Institute of Occupational Safety and Health (NIOSH) can filter up to 95% of particles in the air. We would make this mask a pick except that, at more than $3 apiece, its much pricier than our picks from Powecom and Kimberly-Clark (each around $1 per mask). (You know, the strings of metallic beads that keep keys together, switch lamps on and off, and hold military dog tags.) That authorization has since been revoked (PDF) due to a replenished supply of N95s, but the FDA suggests that these previously authorized respirators (such as our pick, the Powecom) be redistributed for use in nonmedical settings. appreciated for your supports to genuine Powecom KN95 masks, and other 2. Unilever previously sold its Lifebuoy Face Mask at Target. Made to New GB2626-2019 Standard Product Features: Adjustable Nose Piece, Latex Free Ear Loops, Multi-Layer Filtration System Discounted pricing for higher quantities available. Although this factor limits your choices perhaps unnecessarily, as Kathy Cummins, head of marketing and analytics at Hinge Global, pointed out, we like the assurance that a specific inventory of the product has been vetted by Amazon itself, and we appreciate that shipping by Amazon cuts out the middleman and ensures prompt delivery. Prices and availability are subject to change. To know what masks to avoid, see our blog post on the signs that suggest you have a fake N95, KN95, or KF94. It fit most of our panelists, though some testers thought it sat too close to the mouth despite its typical KF94 rectangular boat shape. only genuine numbers of authentic Powecom masks can be verified. This is especially true given the presence of additional layers of protection (such as vaccines, social distancing, and good ventilation). Regardless of which type of mask you manage to get your hands on, however, you wont come anywhere close to the stated filtration values in real life unless you secure a perfect seal to your face around the entire perimeter of the mask. Best fit: Powecom KN95 Respirator Face Mask. *At the time of publishing, the price was $10. As with cloth face masks, some people find bands to be easier to adjust than ear loopsyou can play around with knots and positioning to create a good seal. Plus, this respirator tents high and wide off the face, so theres more room to breathe. Store Finder; Truck & Tool Rental; . Surgical masks are medical devices regulated by the FDA. manufacturer Guangzhou Powecom in the U.S. since 2020. ) These masks, which come in white or black, are similar in shape (measuring 6 inches vertically, tip to tip) and elastic to the Powecom KN95 masks. If you need just a few, a pack of five is available for less than $20. The much cheaper, foldable NIOSH-approved Dobu Mask 201 N95 fits snug like the BYD Care N95 but with slightly less clearance over the nose and mouth, and arguably a more gentle touch. Still, from an economic perspective, its pointless to spend the extra money on a KN95 only to have it work as effectively a much cheaper mask. Masks (together with *At the time of publishing, the price was $12. We dont know how they made the mask or what materials they used.. For masks sold on Amazon, we confirmed with the manufacturer that we had a legit link to the product it was selling, and if we couldnt reach the manufacturer (and if the mask was sold out everywhere except Amazon), we checked that the mask was both sold and shipped directly by Amazon. Its like trying to find the last Lego Star Wars Advent calendar three weeks before Christmasbut infinitely worse. Unlike the BYD Care N95, they dont dig into my eyes, said one panelist. The United States Mask Particulate Respirator N95 is manufactured domestically and NIOSH-approved. their website 8. POWECOM KN95 Respirator Face Mask | Breathable Face Mask (10 Pack) |White| Headband Style $15.00 ($1.50 / Count) Available on Amazon Breatheze KN95 face masks made in the USA Breatheze. The packaging on most simply says face mask, in which case you cant expect the masks to filter like the kinds of masks that health-care workers wear in hospitals. Bona Fide Masks: Powecom. Decontaminating an N95 mask for multiple wears could reduce the amount of pandemic-related environmental waste by 75% or more compared with disposing it after each use, the authors add. Our picks have been confirmed toblock at least 95% of 0.1-micron particles when worn with a secure seal. This product filters at least 95% of airborne particles but is not resistant to oil-based particles. What we like: This formerly FDA-emergency-authorized KN95 mask offers some varietyyou can choose from ear loops or headbands, as well as black or white. What we like: Most disposable pleated masks feel and function about the same, but the DemeTech DemeMask Surgical Mask is FDA 510(k)-cleared and meets ASTM Level 3 standards, as its capable of blocking 98% of particles as small as 0.1 micron (assuming a good seal). Please read the cautions before use. Leave the contaminated area immediately if breathing gets difficult or dizziness or distress occurs. KN95 is a Chinese respirator standard, but these respirators aren't . KN95 masks are the Chinese equivalent of N95 masks and. The Powecom . In fact, Colorado State Universitys Christian LOrangewho has tested thousands of masks, including our pickstold us that the most egregious fails have come from surgical-style masks as opposed to respirators. We also needed to assess each mask in terms of fit and comfortsomething far too individual for anyone to judge in a general sense. It sells in the U.S. exclusively. We liked the CVS Health Medical Face Mask when we tested it, but consistent stock issues keep it from being a pick in this guide. Both versions come in black, while the ear-loop masks also come in gray, pink, dark blue, light blue, and red. This may not be the case for people with higher nose bridges, thoughso, as weve mentioned, well continue evaluating this mask with a diverse panel of testers and update this guide accordingly. N95 vs. KN95, KF94, FFP2, and surgical masks, More NIOSH-approved, NIOSH-assessed, or FDA-authorized masks worth considering, More masks (that arent FDA-authorized or NIOSH-approved), knot at the ear loops and tuck at the sides (video), knotting the ear loops and tucking in the sides (video), NIOSHs International Respirator Assessments, filtration efficiency and breathability testing, reduce the amount of pandemic-related environmental waste by 75% or more, Harley Commodity N95 Particulate Respirator, United States Mask Particulate Respirator N95, Honeywell DF300 N95 Particulate Disposable Respirator, assistant professor of medicine in the division of infectious diseases, George Washington University School of Medicine, head of marketing and overseer of research and data analytics, Hinge Global, associate professor of civil and environmental engineering at Northeastern University, associate director of the Center for Energy Development and Health, and assistant professor of research in mechanical engineering, Colorado State University, professor of civil and environmental engineering, Virginia Tech, global technical services and regulatory director, 3M Personal Safety Division, assistant professor of textile engineering, Textile Protection and Comfort Center, Wilson College of Textiles, North Carolina State University, director of education and technical affairs, INDA (Association of the Nonwoven Fabrics Industry), health communications specialist, CDC/NIOSH, National Personal Protective Technology Laboratory, NIOSH, The Best Cloth, KN95, and Surgical-Style Masks for Kids and Toddlers, 12 Signs You Have a Fake N95, KN95, or KF94 Mask, Wirecutters Most Popular Picks for Babies and Kids in 2022, The FDA has a database of devices that have received. These N95 masks are NIOSH-approved and have a secure two-strap design instead of an ear loop design, plus an adjustable nose wire. Like the companys KN95-style masks, these pleated masks have been tested by a third-party lab and found to meet ASTM Level 1 standards (blocking out at least 95% of 0.1-micron particles). Volume Weight:15.9 KG/carton Yet each one fits differently depending on how its angled around the nose and chin, how pliable the material is, and whether the fasteners are ear loops or headbands. These masks are designed to prevent fluid from penetrating the mask (from, say, splattering as a result of a medical procedure) and potentially harming the wearer. Faces differ, but these masks straps can be knotted and stretched to help them stay put on a range of sizes while providing ample breathing room. On March 24, 2020, the FDA issued an umbrella EUA for certain imported disposable filtering facepiece respirators (FFRs) that are not approved by the National Institute for Occupational Safety. We independently review everything we recommend. Co., Inc.) 1. there is an Anti-fake Label (sticker) pasted to each polybag of the powecom KN95 protective masks $12 for 10. The loops are also firmly attached, so when youre putting this surgical mask on or taking it off, the fasteners are less likely to pop off (as weve found with some cheaper models). Yes, theres the counterfeit issue. The company redacted the manufacturers name in the paperwork, again for proprietary reasons. Its also our favorite because its the only one of its type that actually fit our testers well, and it felt surprisingly comfortable. Scrape the coating of the anti-fake label, visit www.powecom.com and click the navigation "ANTI-FAKE CHECK" guide to verify. N95 masks fasten snugly to your face with two bands that go around the back of your head. Why the Omicron variant of coronavirus has been infecting many people so quickly is currently. This easy-on, easy-off KN95 respirator mask has ear loops that stretch well for a wider fit but also knot easily for a snugger one. Best recyclable mask: Vida NIOSH and FDA Authorized N95 . These N95 masks are NIOSH-approved and have a secure two-strap design instead of an ear loop design, plus an adjustable nose wire. These NIOSH-approved surgical N95 respirators are only on the Certified Equipment List (CEL). As with our guide to cloth face masks, well continue to add to this list of trusted respirator and surgical-style masks as new and better options become available. The best mask for kids is the most protective one theyll keep on. Others have appeared to be missing layers altogether, he said. Ball Chain is honored to supply Powecom's FDA Authorized KN95 respirator masks and other quality products. Jen Caudle, a New Jersey-based family physician and associate professor at Rowan University, told HuffPost that she recommends that people upgrade their masks due to the high transmission rate of the omicron variant. We also like that you can choose to buy as few as 10 masks in a pack (though you can order as many as 10,000). 3. The intended use of the KN95 protective masks is to protect the user against non-toxic solid, particulates, powder, PM2.5 smog, dust, saliva, suitable for Non-oil particles. Go To Homepage Before You Go Highly Rated KN95, N95 And Surgical Masks $25.00. What we like: Many NIOSH-approved N95s and headband-style KN95s weve tried were either too large or too tight. A piece of foam cushions its sturdy, pliable nose-bridge wire. If you go through N95s on a regular basis (like my husband, who wears one to teach in-person classes every day), the Dobu masks can get pricey (at this writing, theyre nearly $40 for a pack of 25 on Amazon). (Cloth masks, in contrast, were initially intended to protect other people from the wearer, though depending on their materials and design, they can also work the other way around.). Our journalists combine independent research with (occasionally) over-the-top testing so you can make quick and confident buying decisions. We also like that it comes in a small size, which might work for some bigger kids, and in a tie version, which may be especially helpful for people who wear hearing aids. Powecom KN95 masks since November 18th, 2021, (2) previous direct importers of factory Guangzhou Powecom KN95 and N95. 2. Back then, they were on the. We confirmed that the mask sold via this Amazon link (labeled sold by Dr. Puri Official) is legitimate, and its at a slightly lower price than weve seen elsewhere. But also, KN95 and surgical-style masks dont always fit very well. Just because a mask isnt cleared by these agencies doesnt necessarily mean it performs poorly, though its hard to know for sure. Not NIOSH Rated. Click the button "Verify". (This doesn't mean these masks are NIOSH- or CDC-approved.) So we checked out each companys e-commerce site and confirmed that each respirator or surgical mask of interest is included in one of the following: The same mask sold by the same company can differ depending on the retailer. The 4CAir AireTrust Nano Mask is one of the thinnest KN95-type masks weve tried, thanks to its patented nanotechnology. FDA clearance and NIOSH approval can take many months and can cost a good amount of moneysome companies decide not to bother, while others have submitted the paperwork but are still awaiting a decision. Do not use if the face mask is broken or with hole or leakage. Soft headbands that easily knot and stretch over various positions on the head form a good seal and are plenty comfortable for long-term wear. Bona Fide Masks has a variety of KN95 face masks for sale online . ) will continue well serving the dealers and dear Customers in U.S. (1) within the territory in USA , But wed splurge on a five-pack for $17.50 for the infrequent situations where we might especially appreciate a mask thats lighter than most, such as a lengthy flight or a long doctors visit. The ear loops are slightly wider than most weve seen, so they easily fit on larger faces or knot and fold (video) for a more secure fit on smaller faces. anti-fake sticker for Each bag of CE certified FFP2 NR masks, Copyright 2021 Guangzhou Powecom Labor Insurance Supplies Co., Ltd - ?ICP?8068938?1. It is designed specifically for the consumer market. 2. Still, separating the good options from the bad can be tough. (This mask is currently out of stock on Costcos site but may be available in some locations when you purchase from Costco via Instacart. Frequently on sale, these masks are a good choice if you cant get ahold of the DemeTech or Medline masks, or if you just want to add a burst of color to your mask wardrobe. KN95 masks are not. What is a medical-style mask, and do you need one? We like that the NIOSH-approved DemeTech respirators come in two designs (cup and foldable) and each in regular or small size. The WellBefore WB-N-200 N95 Respirator Mask we recommend is now available in black. as the Exclusive Distributor in USA, click to open the page " Instructions for Use ", 10 PCS/ Poly Bag Measuring just 5 inches vertically from top to bottom, the Korean-made and NIOSH-approved Dobu Mask 500 N95 is likely best for people with smaller faces; it barely covered my husbands mouth, and other testers on our panel equated it to wearing a bra cup or hamburger bun on their face. Keep the face mask away from vapor, oils, chemicals, liquid, acid, alkaline objects, paint spraying. Consisting of high-efficiency filter layers, all of these mask types are designed to protect the wearer in high-risk situations. All of our panelists found a size that fit them well, though some found the mask more snug around the nose (hence no glasses fog) than at the chin. niosh n. nose clip + View All. will continue well serving the dealers and dear Customers in U.S. Add Floor 1, 3 and 4, Building 1, No.43, Tuanjie Road, Xinya Street, Huadu District, GuangzhouCity,Guangdong Province.P.R.China, Guangzhou Powecom Labor Insurance Supplies Co., Ltd. A KN95 mask filters out 95% of particles as small as 0.3 microns. In fact, a CDC paper reported that securing a surgical mask to the face (by knotting the ear loops and tucking in the sides, as shown in this video, or by adding a well-fitting cloth face mask over it) can potentially decrease your exposure to possibly infectious tiny airborne droplets called aerosols by about 95%, which is also about how well respirators are expected to perform. Suitable for respiratory protection, filtering droplets/particles &a. . Its a bit pricier than our picks but cheaper than most others on this list. Medline makes its own masks but also partners with other FDA-cleared manufacturers to avoid stock shortages, a company spokesperson told us. The thick material proved much less breathable for our testers, and the headbands looked and felt like thick, albeit smooth, rubber bands. Open face mask. You are also agreeing to our Terms of Service and Privacy Policy. Aside from navigating retailers that have long sold out or are price-gouging, youre also contending with fraudulent sellers, fraudulent products, or both: The CDC reports that about 60% of KN95 masks sold in the US are fake. Armbrust sells options from USA-made companies, including the cup-style Protex N95 Particulate Respirator. The intended use of the KN95 protective masks is to protect the wearers against non-toxic solid, particulates, powder, PM2.5 smog, dust, saliva, suitable for Non-oil particles. Besides consulting five scientists, Ive interviewed five manufacturers, three importers, two retailers, an e-commerce expert, and two government agencies. Once we tracked down several masks that we concluded were actually medical-grade, our job had only just begun. This is partly due to the plastic brackets on either side of the mask, which allow you to tighten the headbands as necessary. Were continuing to test these masks for fit and comfort, and we will be trying other options as they become available. (This doesn't mean Powecom masks are NIOSH- or CDC-approved.) Our panelists agreed, however, that it felt lightweight. For reusable options, consider the picks in our guide to the best cloth masks for adults. 120 BAGS/Carton ( regular ) Masks Corp.(founded by Powecom KN95 masks were on the FDA's list of approved face masks for health-care professionals back when that list was . Also great for layering, this featherweight surgical mask features notably soft ear loops and foldable edges. Almost two years later, the shortages have eased up, but that doesnt make finding the right mask any easier, particularly when it comes to KN95s. Oh, and whatever you buy is typically nonrefundable. The same goes for N95 masks that arent customized (as they typically would be in a hospital setting). When Chinese authorities updated the KN95 standard this summer, we commissioned Colorado State Universitys Center for Energy Development and Health to verify that the Powecom mask sold by Bona Fide Masks maintained its high filtration efficiency. The Powecom KN95 personal respirator, which ships from stock directly from our Mount Vernon, NY warehouse, is a respirator face mask made of a multi-layer filtration system of non-woven breathable fibers and is utilized globally. For a more affordable, similarly shaped mask, consider the Powecom KN95 (sold in a headband option at about $1 per mask). It also costs less (around $45 for 20 masks) than most other bifold-style N95s, which typically run about $3.50 or more per mask. Try the orange or the navy for a welcome change from black, white, and. The Instructions, for KN95 mask meeting standard GB2626-2019 KN95. The edges still need to form a good seal against the face for it to be protective. The truth is, any medical-style maskno matter how superior the filtrationdoesnt do much better than a quality cloth mask if it allows most of the air youre breathing to go around it rather than through it. What we like: Were always down for a bargain, and this box of 50 is available for the best price weve seen so far for an FDA-cleared surgical mask. However, this mask comes in only one (rather large) sizewhich made it harder for some of our panelists to achieve a solid seal. Previously, she covered health and wellness as a magazine editor. Get free shipping on qualified KN95 Face Masks products or Buy Online Pick Up in Store today in the Safety Equipment Department. 6. *At the time of publishing, the price was $30. KN95 masks (Chinas N95 equivalent) should block out 95% of 0.3-micron particles; KF94 and FFP2, 94%. According to the CDC, N95 masks that have approval from NIOSH meet rigorous U.S. standards and testing to be considered the best possible medical mask. This is basically the top choice of other clients buying items related to KN95 mask niosh approved powecom. When weve come across masks that fit and feel great but arent NIOSH-approved or FDA-cleared, weve sent samples to Colorado State Universitys Center for Energy Development and Health for filtration efficiency and breathability testing. Its headbands are soft yet help form a tight seal, and its long nose-bridge wire reduces glasses fogging. In all, Ive so far assessed 25 respirators and 14 surgical-style masks. Gross Weight: 6.5KG(white earloop)to 7.2 KG /carton For genuine Powecom KN95 masks, the security numbers can be found at our databank of verification system. N95 Respirators, Surgical Masks, Face Masks, and Barrier Face Coverings Enforcement Policy for Face Masks, Barrier Face Coverings, Face Shields, Surgical Masks, and Respirators During the. The CDC tested Powecom masks in 2020 and found that they had an average of 98.8% filtration efficiency. One way to detect a fake is to hold it top side up under a dripping faucet: If the droplets soak in instead of completely beading up, its not a real surgical mask, which by definition should have some level of water resistance. Do not use the face mask in explosive atmosphere and place. Ive spent the past several months scrolling through scores of masks online, poring over documents from the CDCs National Institute for Occupational Safety and Health (NIOSH) and the FDA, and puzzling over little certification slips half-written in Chinese (a childhoods worth of Saturday morning Chinese school has not helped). For everyone besides health-care workers, whose risk of exposure is generally far less, there are more sustainable choices, including reusable cloth masks with high filtration efficiencies such as the Enro Tech or Happy Masks Pro, both picks in our guide to the best cloth face masks. We like its exceptionally soft ear loops, which feel knitted and dont dig into the ears as most other elastics do. Our face mask provides comfort and protection against pollution and particles. Kimberly-Clark N95 Pouch Respirator A lightweight, NIOSH-approved N95 This odd-looking, oddly comfortable N95 is a NIOSH-approved respirator meant for nonmedical use. (Those with incorporated filters, however, such as the Enro Tech and Happy Masks Pro, filtered similarly to N95s, though machine washing and drying diminished their efficacy.). The version we tried met ASTM Level 2 standards, which meant it could filter out at least 98% of 0.1-micron particles, assuming a perfect seal; however, weve noticed that the masks are now labeled as meeting ASTM Level 1 standards.
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