In general, he recommends KN95s made by Chinese company Powecom and others, a variety of KF94s such as the Bluna FaceFit and N95s made by reputable brands such as 3M, Moldex or Honeywell. Welcome to Reddit's place for mask information! Best N95 mask: 3M Aura N95 Most comfortable N95 mask: Kimberly-Clark PROFESSIONAL N95 Pouch Respirator (a.k.a., the "duckbill")Best KN95 mask: Powecom KN95 (ear loop version)Best KF94 mask: Bluna Facefit KF94Best mask to make a statement: MaskLab KF-styleBest mask for kids: BOTN Child Fit KF94 How we chose the best high-filtration masks To learn the science behind high-filtration masks, we . Our fun and helpful community is all about discussing masking tips, tricks, specs, tests, hacks, reviews, and advice. But that does little good if gaps around the mask let air in freely. All rights reserved. Your question might be answered by sellers, manufacturers, or customers who bought this product. The masks are great, especially the adjustable ear loops. (To be clear, some studies have found that surgical and cloth masks can provide at least some protection against COVID. No foggy glasses. Elegant, ultralight, ultra-thin, it is perfectly adjustable to the face, very comfortable to wear, very breathable. Breathable and comfortable KF94 (Korea FDA certified) BFE (Bacterial Filtration Efficiency) 99.9% tested by KOTITI, Korea Four layers protection with KF94 standard Individual packaging Mask for Adults and kids White and Black colour 100% Made in Korea. Join the Protectly family for product insights and promotions, Address: 3055 NW Yeon Ave, Suite 41, Portland, OR 97210, Phone/Text:(800) 875-1843| Email: support@protectly.co. The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Packaging changes can happen - I usually go to Korean and legit distributor sites to see if there have been packaging updates. The masks use a next generation filter technology employing an advanced nano fiber material to provide high level protection, at a minimum 96.03% protection according to tests performed by Nelson Labs under standard (non-modified) F D A and C D C C F Rs. Thank you. [COMFORTABLE DESIGN] Adjustable ear loop design with soft/lightweight lint-free material and 3D structure fits ergonomically around the contours of your face giving you a comfortable feel and excellent breath-ability while wearing all day. I find it was very easy to use and very comfortable! Sale price - Black / White / Kids, 100pcs Mix & Match Special - Now You can choose any masks you want! Fully automated end to end manufacturing process ensures highest level of hygiene and free of contamination. Their prices are fair. Wearers of nano-filter surgical masks, specifically Air Queen products, were found to have. I believe Aaron tested the new ones and they are still the same efficiency. Press J to jump to the feed. Scientific American spoke with several experts on aerosol transmissionsome of whom have tested various masks available on the marketand they agree that health authorities should strongly recommend people wear well-fitted, high-filtration masks. (No return or Exchange on this item)Due to Covid-19, we don't accept any return of all the mask items. I have tried a few brands of KF-94 masks, and these Bluna Facefit ones are my favorite. Lanyard?? One of the best things about the Bluna KF94 mask is that it is available for both adults and kids. Editors Note (4/19/22): This article is being republished in light of a recent ruling by Florida federal judge Kathryn Kimball Mizelle striking down a federal mask mandate on airplanes and public transit. Ill post images in a reply since I dont know how to add them on this post. Above all Renowned DuPont filter with three-dimensional structure allows easy breathing and comfortable wearing. Brand: BLUNA FACE FIT BLUNA FACE FIT ::GENUINE:: KID's KF94 Certified 3D Safety Face Mask [SMALL] [Adjustable Ear Loop] [Made in Korea] 73 ratings | 5 answered questions $2299 ($2.30 / Count) Color: White (10 Pack) See more About this item Non-Woven Ear Loop closure Support small. . Cookie Policy: we use cookies to ensure you get the best experience on our website. Maybe, but from what I can tell, that doesnt seem to be the case. Sounds like Bluna has updated their packaging slightly as well as their masks. We've given away a couple to friends, all of whom immediately put in their own orders, since they said these were the only masks they could wear for extended periods of time -- which is also why we like them so much. . Otherwise ok. Hi Ursula, were so sorry that our mask didnt end up working out for you! This discussion from several months ago shows some of the packaging changes: https://www.reddit.com/r/Masks4All/comments/p7ubmq/fwiw_bluna_kid_kf94_august_vs_june_batch/?utm_medium=android_app&utm_source=share. So I won't get Covid, but I will get glue poisoning, ha ha. However, the CCM remains consistent. NIH Study on Effectiveness of KF94 and N95 masks, Ultra-Soft/lint-free materials fit ergonomically around contours of the face, Adult - Black - 10 Pack, individually sealed, Adult - White - 10 Pack, individually sealed, Kids - White -10 Pack, individually sealed. POSH KF94 Mask 2022 Posh Holiday Special Posh New Arrivals POSH KF94 Mask Mix & Match Posh Large(For Adult) Posh Small(For Kid) Hm. They shipped the wrong color on the order but they resolved it. The CDCs Web site warns that about 60 percent of KN95 respirators available in the U.S. are counterfeit. High-quality respirators such as N95s and KN95s are now widely available and provide the best protection against COVID, according to experts. Adjustable nose-bridge and earloop design is also perfect for those with glasses. This says large, but isnt it one size only? They arent supposed to be worn again, but I put them in a paper bag at the end of the day, Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon. Press question mark to learn the rest of the keyboard shortcuts, https://www.reddit.com/r/Masks4All/comments/p7ubmq/fwiw_bluna_kid_kf94_august_vs_june_batch/?utm_medium=android_app&utm_source=share. Regular price 3M N95 Respirator, VFlex Particulate Respirator 9105, Disposable, Sweeping, Sanding, Grinding, Sawing, Bagging, Dust, 50/Box, (100 Count) Good Manner KF94 Protective Face Safety Mask (White) Made in South Korea. Besides respirator masks, we discuss the larger subjects of general respiratory protection, air filtration, HEPA filters, PPE, and Covid-19 mitigation. The U.S. gold standard, N95s, are certified by the CDCs National Institute for Occupational Safety and Health (NIOSH). Dummy products are essential for the Bundle Builder app to function. I am on supplemental oxygen 24/7. Masks can also be ordered directly from suppliers such as Bona Fide Masks, which sells KN95s made by Powecom. I do wish theyd acknowledge when they do this since it always raises questions of authenticity. This means that you've finally found a face mask that is comfortable. I sought this out because Aaron Collins the engineer/mask nerd gave it a good review. I do not have to adjust them constantly like other masks Ive tried. (No return or Exchange on this item)Due to Covid-19, we don't St Patricks Day Special 10pcs Mix & Match, St Patricks Day Special 30pcs Mix & Match, 10pcs Mix & Match KF94 Sampler Kit - It's your choice, Pick, Try what you want, 50pcs Mix & Match Special - Now You can choose any masks you want! A recent large, randomized study in Bangladesh found that surgical masks significantly lowered the risk of infection; cloth masks did not have a measurable benefit, although other studies suggest they provide some protection. In addition, it is breathable allowing you to wear it as long as you need during the day. In case you wear glasses, for example, the Bluna KF94 mask may be the mask you've been looking for for so long. . I'm just wondering if the difference in height of the "face" makes any difference on the seal under the chin, especially for people with shorter faces. Create your free account or Sign in to continue. e. Choosing a selection results in a full page refresh. The straps at the side of the mask are helpful to secure it to the sides of your face. And OSHA measures how a respirator fits on someones face, which often involves wearing an N95 in an enclosed space with saccharin or another distinctly flavored test aerosol sprayed in: if the wearer reports tasting the substance, the mask fails the fit test.). Aaron Collins, aka Mask Nerd, is a mechanical engineer at Seagate Technology with a background in aerosol science. Half the time I pull them way too hard and break it but it still tightened on my face. Please visit the bundle page to edit. Santa Clarita is the fourth largest city in Los Angeles County, California, United States and the twenty-fourth largest city in the state of California. Please try again. The Air Queen has greater breath ability and comfort than the N 95, surgical or cloth masks which is vital to nurses who have to remain so active during so much of the day. Full content visible, double tap to read brief content. Please click Accept Cookies to continue to use the site. According to Collins, pretty well. As we already mentioned above, the Bluna KF94 mask is made in South Korea. 100 Santa Clarita, CA 91355 tel: (661) 286-4084 email: tourism@santa-clarita.com Ive added links to photos now. Also, on the back, which I didnt post, below the pictorial for wearing the mask properly, there are standard warnings, and they are worded a little differently on each package, so its not a total replica. The 2010 US Census reported the city's population grew 16.7% from the year 2000 to 176,320 residents. The mask filtration performance is BFE 99.9 %.Therefore, Protects from bacteria with its excellent defence performance. After all, the World Health Organization (WHO) advises us that we should wear facial masks when we are interacting with others. Santa Clarita Tourism Office 23920 Valencia Blvd, Ste. Bluna certified KF94 adjustable masks. 2023 Scientific American, a Division of Springer Nature America, Inc. 3m 3m. [100% MADE IN SOUTH KOREA] Official KF94 certified mask manufactured in South Korea. My son loves wearing these masks. While it is known that children aren't as affected as adults by COVID-19, they may still get infected. Please make sure that you are posting in the form of a question. This reduces waste and is a big saving on masks. Roman helped me over the phone determine which masks would work well for my family and sure enough he was right! One of the best things about the Bluna KF94 mask is that it is available for both adults and kids. [PREMIUM QUALITY] KF94 Rating Certified in South Korea with Many Other Certificates - Please see List of Certificates provided on product image. KF94 is the South Korean certified equivalent to the N95 and the KN95 masks. They have little strings on the side and you can pull on them to make them tighter on your face if needed. He then uses a condensation particle countera device that measures the concentration of particles inside and outside a mask he is wearingto determine the total inward leakage through and around the mask. All sales are final. It surprised me when I scrolled down and saw a "new packaging" explainer that did not explain that it was a completely new company making the masks. They have been widely available and relatively affordable for months and provide better protection than cloth or surgical masks. Moreover, masks are packed individually. While there are many different and high-quality facial masks on the market suited to prevent COVID-19, the Bluna KF94 mask is one of the best ones. Bluna printed on mask. Adjustable earloop Graded "Excellent" from Dermatest Hard shell technology filter by DuPont 4 ply with Melt Blown filter Certified by Ministry of Food and Drug Safety, South Korea CE Certified Size Guidance Large: Length 195mm / Why Should You Consider Bluna KF94 Masks? A: Bluna FaceFit KF94 Amazon Mask Review Using NIOSH N95 Filtration Testing Standard AccuMed Tech 2.75K subscribers Subscribe 2.3K views 10 months ago Today we will review the Bluna FaceFit, a. Bluna Facefit KF94 Black-Adjustable(Adult) C . But so glad to know theyre legit. KN FLAX [20Packs] KF-94 - Face Protective Mask for Adult (White) [Made in Korea] [20 Individually Packaged] Premium KF-94 Certified Face Safety White Dust Mask for Adult [English Packing], H.A.C PLUS [50 Pack] KF94 face mask, Made in Korea, Sold by Authentic Brands Korea [English package], 30 Pack INT Black KF94 Mask Certified, 4-Layered Face Safety, Patented Adjustable Earloop, Individually Sealed Package"MADE IN KOREA". KF94 Rating Certified by the government of South Korea Made in South Korea . Well thats reassuring then. You can adjust them and they are comfortable. BLUNA FACEFIT KF94-LARGE/WHITE (ADULT SIZE) Protects against Ultra-fine dust and infection. For example, an N95 filters at least 95 percent of airborne particles. Easy to wear all day. You should've bought them from Gmarket, it's a lot safer than amazon. Like most KF94 masks, the Bluna Facefit are produced in South Korea. Would buy again from this site. [EXCELLENT SAFETY] 4-Layers with high quality Melt-Blown layers that filters out 94% of particles with an average size of 0.4 . Adjustable mask nice for little faces, and lasts through the day without tearing. The latest in a series of mask test and reviews. Same mask, same filtration, new look! A year ago we could say that we were concerned about shortages for health care workers, so we were telling people to make your cloth mask, and any mask is better than no mask, says Linsey Marr, an environmental engineer and aerosol science expert at Virginia Tech. We will provide an update soon. It is comfortable to wear, and it easily adjusts to the shape of your face. For Size Large, take a look at LG KF94 product listing. Puri Black- 23:12https://behealthyusa.net/collections/dr-puri-brand/products/kf94-mask-medium-white-kfda-fda-ce-approved-us-version-english-package-1?variant=36887199776932Kleannara- 33:13Supplied by ViewerAll Keeper Black - 30:49https://www.everydaybeautylab.com/all-keeper-kf94-face-mask-black-all-keeper-kf94-1pcs/Arun KN95 External Nose Clip- 26:17https://longanmerch.com/products/arun-kn95?variant=34450833866796ILWOUL KF94- 28:22https://behealthyusa.net/collections/ilwoul-brand/products/ilwoul-kf94-mask-kfda-approved-fda-registered-100pcsBonafide Powecom KN95(Headband) - 14:70https://bonafidemasks.com/kn95-respirator-mask-headband-style-fda-authorized/Arun KN95 Internal Nose Clip-29:36https://longanmerch.com/products/arun-kn95?variant=34450833834028All Keeper White- 31:54https://www.everydaybeautylab.com/all-keeper-kf94-face-mask-white-all-keeper-kf94-1pcs/ILWOUL KF80- 34:43https://behealthyusa.net/collections/ilwoul-brand/products/ilwoul-kf80-mask-kfda-approved?variant=36887430103204FLTR95 KN95- 35:54https://www.costco.com/fltr95-sealing-face-mask%2C-100-masks.product.100670394.htmlWeeCan Cloth Mask- 37:58https://longanmerch.com/products/wecan-cottonmask?variant=34320472604716 We have these masks on stock and we will ship them within 2 days from Portland, OR. The masks are great, especially the adjustable ear loops. Get 25% OFF Promo Code: BEMINE2023 0 Customer Service: info@behealthyusa.net FAQs . A friend had given me a mask that I loved, and since the name and the package of the ones I just received matched, I thought they would be the same. The difference between the KN95 and the KF94 is that the South Korean government's Ministry of Food and Drug Safety rigorously tests and oversees the manufacture and distribution of KF94 masks. RespoKare Anti-Viral Mask - 5 or 24 Pack ($2.75+ per mask), 3M 6000 Kit with P100 Filters, Half-Face Respirator Assembly, 3M 9205+ Aura N95 NIOSH Mask - 5 or 15 Pack ($3.7+ per mask), RespoKare N95 NIOSH Mask - 5 or 30 Pack ($4.50+ per mask), 3-Ply Face Masks / Imported - 50 pack ($0.14 per mask), 3M 6000 Kit with OV/P100 Cartridges (Organic Vapor), Half-Face Respirator, Nitrile Gloves Multi-Purpose, Industrial Grade - Box of 100, Medical ASTM 2 Masks / FDA Cleared - 50 Pack ($0.60 per mask), 3M 2091 P100 Filters, Particulate - Set of 2, 3M 60921 Cartridges/Filters, Organic Vapor, P100 - Set of 2, Gerson 1730 N95 NIOSH Mask - 5 or 20 Pack ($3+ per mask), SAS Safety 8610 N95 NIOSH Mask - 5 or 20 Pack ($3.00 per mask), 3M 8210 N95 NIOSH Mask - 2 or 20 Pack ($2.95+ per mask), 3M 60926 Multi-Gas/Vapor P100 Cartridges - Set of 2, Face Mask Travel Kit - 10 Pack ($0.30 per mask), Medline N95 NIOSH Mask - 5 or 20 Pack ($2.50+ per mask), Moldex 2200/2201/2207 N95 NIOSH Mask M/L & S - 5 or 20 Pack ($2.99+ per mask), 3M 8515 N95 NIOSH Respirator w/ Valve - 10 Pack ($5.00 per mask), 3M 8233 N100 Premium Respirator w/ Valve - Package of 1 ($15.00 per mask). It could be an American reseller trying to meet unprecedented demand for high filtration masks from Korea, knowing that the quality standard for the KF94s is well regulated. Thanks for reading Scientific American. 26 comments. [HYGIENIC PACKAGING] Individually packed to fulfill hygiene standards for product safety. Mask fit right except strap is a bit long but it's can easily be fixed with just a twist of the strap and then loop on ears. I saw that post, but these ones are different than that. Unit price Bluna Facefit KF94 White-Adjustable (Kid) $15.00 Evergreen KF94 Cleantop Adjustable Straps KIDS SMALL (Black) $15.00 Evergreen KF94 Cleantop Adjustable Strap KIDS SMALL (White) $15.00 CoCoFarm Kitty KF94 Kids-Small $15.00 The Bio For Preschool Kids 'U&I' KF94 Adjustable (XXS-White) $15.00 CoCoMong KF80 Adjustable XXS-Toddler Size (5pcs/pouch) For more information about the apparatus see this video: https://youtu.be/u4YdtH-ccMUFor previous mask reviews see this video : https://youtu.be/YN72perJcMY00:00 Intro01:07 Summary table as of Oct 11, 202001:25 How to wear a KF94 mask with adjustable earloops02:45 Surgical \u0026 cloth masks discussion06:15 How filter efficiency affects exposure risk13:30 Mask recommendations for larger faces as of Oct 11, 202015:23 Mask recommendations for smaller faces as of Oct 11, 2020BOTN - SOURCE1 1: https://behealthyusa.net/collections/botn-1/products/botn-kf94-healthcare-particulate-disposable-mask-kfda-approvedfda-registered?variant=36887240605860SOURCE 2: https://www.everydayemall.com/collections/ppe/products/botn-kf94-dust-care-mask-black?variant=39570951045271LG Airwasher Basic 20:05https://www.everydayemall.com/collections/face-mask-1/products/lg-airwasher-kf94-face-mask-black-made-in-korea-lg-kf94-1pcsBlue Bon 3D - 15:50https://behealthyusa.net/collections/bluna-1/products/facefit-kf94-white-large?variant=36887346053284Bluna FaceFit Black- 18:41https://behealthyusa.net/collections/bluna-1/products/facefit-kf94-black-large?variant=36887298244772Bluna FaceFit White- 21:41https://behealthyusa.net/collections/bluna-1/products/facefit-kf94-white-large?variant=36887346053284Dr. [COMFORTABLE DESIGN] Adjustable ear loop design with soft/lightweight lint-free material and 3D structure fits ergonomically around the contours of your face giving you a comfortable feel and excellent breath-ability while wearing all day. Youll notice on the left masks packaging it has the photo updated to show the brand printed on the mask itself, just like the mask I received. Sometime last year, Bluna quietly remodeled their masks. We do have other listing that. We are sorry. But when choosing the best mask, comfort should be a deciding factor, he says. - Black / White / Kids, Blue KF94 Tiger 3D Mask (Small White - Kid Size) - 100pcs Special, Special Blue KF94 3D Mask (Large Black - Adult Size) - 100pcs Special + Free Shipping, Special Blue KF94 3D Mask (Large White - Adult Size) - 100pcs Special * + Free Shipping, Blue KF94 Mask Mix & Match 100pcs Special Deal, POSH KF94 + Blue Bon Color Mask Mix & Match 100 pcs Special Deal, POSH KF94 Mask Mix & Match 10 pcs Sampler Kit, POSH KF94 Mask Mix & Match 50 pcs Special Deal, POSH KF94 Mask Mix & Match 100 pcs Special Deal, Blue KF94 3D Mask (Large Black - Adult Size), Blue KF94 3D Mask (Large White - Adult Size), Blue KF94 2D Mask (Large Black - Adult Size), Blue KF94 2D Mask (Large White - Adult Size), Blue KF94 2D Mask (Small Black - Kids Size), Blue KF94 2D Mask (Small White - Kid Size), Blue KF94 2D Mask (X-Small White - Toddler Size), Blue KF94 Tiger 3D Mask (Small White - Kid Size). BLUNA 3D FaceFit mask [KF94] - Adults S$1.70 S$3.00 Tax included. surgical masks significantly lowered the risk of infection, The Pandemic's Mental Toll, and Does Telehealth Work? Please use a different way to share. Explore our digital archive back to 1845, including articles by more than 150 Nobel Prize winners. Ive added links with photos in the original post, and its the Bluna packaging, so it says its made in Korea, but if theyre ripping off Blunas image, I question the credibility overall. (For comparison, he found that a surgical mask alone had between about 50 and 75 percent filtration efficiency, depending on the fit, and a good cloth mask had about 70 percent.) In case you don't know, WHO recommends that face masks should include several layers to be able to protect you better from getting infected. Adjustable nose-bridge and earloop design is also perfect for those with glasses. I love these masksthey are my favorite! I have tried many masks. Be safe and protect your loved ones from PM2.5, Haze, Dusts and Virus. We hope that our other selections offer you better options to suit your needs and fit you better. - What is the difference between 2D Mask and 3D Mask? This product not eligible for returns/all sales are final. BLUNA CE FFP2 mask Facefit Easy Breath 100count FREE Shipping CE FFP2 mask New generation in Nanotechnology FFP2 Mask in Nanofibers from Korea, with a filtration efficiency greater than 99%. Q: Blue KF94 2D Mask (Large White - Adult Size) 15 reviews $35.00 from $30.00 -14% Select options Blue KF94 2D Mask (Small Black - Kids Size) 18 reviews $35.00 from $30.00 -14% Select options Blue KF94 2D Mask (Small White - Kid Size) 38 reviews $35.00 from $30.00 -14% Select options Blue KF94 2D Mask (X-Small White - Toddler Size) 5 reviews Thats the one people swear by, Prather says. Half the time I pull them way too hard and break it but it still tightened on my face. (For comparison, NIOSHs N95 standard requires manufacturers to measure leakage through the respirator material itself. Simply put, the Bluna KF94 mask is a face mask that is made in South Korea and certified by government of South Korea. Tried many over the years. Directly to your inbox. Disposable Respirators Brand: BLUNA FACE FIT BLUNA FACE FIT ::GENUINE:: Premium 4-Layer [LARGE-BLACK/WHITE] KF94 Face Mask [Adjustable Ear Loop] [Made in KOREA] 167 ratings | 4 answered questions Price: $23.99 - $44.99 Color: Black Size: Select See more About this item Non-Woven Ear Loop closure In general, he recommends KN95s made by Chinese company Powecom and others, a variety of KF94s such as the Bluna FaceFit and N95s made by reputable brands such as 3M, Moldex or Honeywell. I have my own son, Collins says. 10. Such masks are designed for small faces and are easy to put on. The packaging is slightly different, not just in size, and the brand is printed on the mask, which wasnt the case before. It's so easy to adjust the fit to your face. To me, the minimum I want to see people wear is a KN95 or KF94 with the Delta variant, Collins says. To find ones that are legitimate, Prather recommends the Web site Project N95. The good news is that you can buy a pack of 10 Bluna KF94 masks for both adults and children from Protectly. He wore them all summer.. Thanks for reading Scientific American. Reviewed in the United States on March 10, 2022. Ive added links. This is the best. Renowned DuPont filter with three-dimensional structure allows easy breathing and comfortable wearing. The most popular black variety of the KF94 is back in stock, in addition to the classic white mask . Knowledge awaits. The Korean and English characters are equally legible and printed clearly on both packages, and Id expect a scanned and copied versions quality to be at least somewhat denigrated. 4-Layers with high quality Melt-Blown layers that filters out 94% of particles with an average size of 0.4 . How does facial hair influence the effectiveness of various masks? Very satisfied with the youth mask. Also the packaging that I saw looked completely different. Featuring an earloop and nose bridge design, the Bluna KF94 mask is adjustable to ensure that it fits well. "The KF94 [certification] standard is really close to our N95 standard," he says. Follow her on Twitter @tanyalewis314Credit: Nick Higgins, Josh Fischman, Tanya Lewis and Jeffery DelViscio. Sold in individual packaging to guarantee the hygiene and sterility of the mask. They fit perfect and secure. The The Air Queen is not NIOSH approved because of its ear loop design however,. Free Shipping on Orders Over $60+ (within USA). Their fulfillment is quick. Special design and material to prevent fogging and slipping. I think these are different masks, but if they're made in Korea and say KF94, they should still do you well if they fit and you can get a good seal. Why arent more people wearing them? Nano-filter surgical mask wearers, such as Air Queen masks, have been proven to have lower heart rates, lower microenvironment, and lower skin surface temperatures than those who wear standard N 95 masks while performing daily task, Yes. These parents might find Collinss recommendations for high-filtration kids masks particularly helpful. Air Queen mask is a F D A 510 k approved surgical respirator (K172500) with a use indication as follows, to be worn by operating room personnel during surgical procedures to protect both the surgical patient and the operating room personnel from transfer of microorganism, body fluids and particulate materials. Therefore, the mask provides the maximum protection while being used even in day-to-day activities.Above all. I think these are the third batch of these masks we've gotten, and the first in a different color -- which are every bit as comfortable as the originals. Great seal, easy breathability, inhalation and exhalation are more comfortable than any other I tried. Yet, price is a little high compare to others.