aaron collins mask spreadsheet

Masks produced after July 1, 2021, bear the standard number GB2626-2019; masks produced before that date have the standard number GB2626-2006. If a porous obstacle is put in the path of air that contains aerosols, some of the aerosols will end up in the obstacle. Higher percentages are better. Some of the surgical style masks filter just as well as the certified ones. Green percentages are best; red percentages are worst. Start by ordering in small quantities and try different styles to find the best one for your face. As explained in https://tinyurl.com/FAQ-aerosols, masks work to reduce the aerosol spread of COVID-19. 3. Not only will you better protect yourself, but you will also help better protect your community, your country, and the world. Video on masking for kids under 12 and companion spreadsheet of tested kids masks from Aaron Collins (also a parent). They cost much less per hour of use and an American College of Surgeons study revealed costs could be cut by about 90% by switching from N95s to elastomeric respirators. 3-ply disposable face mask, you can still carefree breathing. Had to talk to the supervisor to do it. So you may have to try some different masks to get one that works well for your child. Yes, small droplets and aerosols can travel much further than 6 feet as documented in this paper here. A mechanical engineer by trade, the Minnesota resident has made a. Please follow all recommended fitting instructions and guidelines to ensure proper fit and protective seal. Under a microscope, the filters look like dense forests of tangled fibers that capture even the hardest-to-trap particles that can bounce around and escape the fibers of cloth masks. Having ~40% of the population infected by a single pathogen in the span of 8 weeks is remarkable and I cant think of an obvious modern precedent. To see it in action, Aaron Collins tested it here. The best mask is the one that fits snugly against your face and is comfortable. See. Each mask should be packaged individually in a flat, glossy rectangular wrapper with a textured border. Full disclosure: I speak from experience. That's MaskGod Mr. Aaron Collins, P.B.U.H.*. where you can check if the mask is on its certified list. As of February 17, 2021 these appear to have up to an 8-week lead time for orders. Discard any respirator that is obviously damaged or becomes hard to breathe through. If you can find a tight fitting and breathable cloth mask for your face, then combining it with a surgical mask should give you a substantial boost in protection. Reddit and its partners use cookies and similar technologies to provide you with a better experience. While filter efficiency shows how well the filter media performs, users must ensure a proper fit is achieved. Both of these masks have at least 98% bacterial filtration efficiency and 98% for sub-micron particulates at 0.1 micron. Far too many people focus on how well the materials in their mask filter the air. One-of-a-kind protective ASTM F2100 Level 3 fashion masks and EN 149 FFP2 respirators, featuring designers from all over the world. If you can find N95 masks for a reasonable price, I personally would recommend that you buy those instead of KF94 masks. In some cases, carbon dioxide might build up in masks that are hard to breathe. If the number is too high, the mask can be harder to breathe through. It primarily illustrates how exhaled air can leak from masks. NIOSH has a not very user friendly website where you can check if the mask is on its certified list. Given that Aaron Collins is in the US, and generally doesn't test many elastomeric or quasi elastomeric masks, it is unsurprising that he has not tested your favorite European certified mask. He and Miller say N95s with a breathing pocket or duckbill shape tend to fit a large number of people. The only difference between the two levels is the Level 3 resists blood and other fluids that medical professionals have to worry about. We hope this will allow more informed decision making by individuals or organizations. For child-size respirators, you have to look at KN95s and KF94s. 6/ This is not a perfect fit test, but it does make use of the high absolute humidity on breath and is a bit more scientific than other methods Ive seen people reporting. We know of no N95 certified respirators that only use a set of earloops. NIOSH-approved FFRs will always have one the following designations: N95, N99, N100, R95, R99, R100, P95, P99, P100. Green numbers are best. More high-quality mask options for kids of all ages can be found on a spreadsheet where Collins compiled the best ones he tested . It is not NIOSH approved, though the company says it is working toward approval. Other clear masks on the market, other than the Savewo Smile (available only from foreign suppliers), that we are aware of offer much worse fit and filtration. Keep reading for ways to spot them. Its best to rely on the list of approved respirators. Check the packaging for a small ticket that will tell you when it was made. For N95 masks, go to the C.D.C.s alphabetical list of NIOSH-approved respirators. Another option to consider is a filter made from the same material as a surgical mask, such as this or this, if your mask has a filter pocket but no custom shaped filter. . Prices range from about $24 for the white version to $30 each for any of the wide variety of colors and patterns. (You can usually find a link to a makers online store right below a product name.). The percentages refer to fitted filtration efficiency, on his own face only. By contrast, both KF94s and KN95s attach with ear loops, which many people find more comfortable but that don't seal quite as tightly to your face. . hide caption. An article by the Business Insider summarizes the evidence for this combination. You can verify the approval number on the NIOSH Certified Equipment List (CEL) or the NIOSH Trusted-Source page to determine if the respirator has been approved by NIOSH. There is at least one report from a mask expert that it has considerable leakage around the nose. Compared to N95s disposable masks, which are supposed to be thrown away after a single use, elastomeric respirators use filters that need to be replaced only once a year unless they become damaged, soiled, or clogged. Aaron Collins is standing in his bathroom, holding a white mask to his face while stretching its straps to the back of his head. the filtration efficiencies of 31 masks from 21 manufacturers. You can sometimes find N95 and KN95 masks for sale directly on the website of a mask maker, like Demetech and Armbrust USA. (Emphasis added. Collins is a mechanical engineer not a medical professional, he emphasized but he has studied aerosols and aerosol instrumentation. All rights reserved. The CDC recommends the knotted and tucked hack. "There is not much difference between 94 and 95% filtration," said Dr. Andrabi . If you do go this route, we recommend you choose a mask found by the Wirecutter reviews to come with a relatively effective but breathable filter. Both are a reusable elastomeric mask with two-way filtration. The specifications for Chinese KN95 masks are similar to those for the USA certified N95. As you breathe, the high water vapor content of your warm breath will condense on the lens, a good thing as it shows air going through mask. One sure sign of a counterfeit N95 mask is a claim or marking that it is FDA Approved. The FDA does not approve medical respirators. . Stock up on insurance covered covid tests before it ends in May. regularly updates its page on better masks and has many useful links and videos. , which will provide consumers with some basic information on filtration efficiency of cloth masks. However these standards will not evaluate fit, which as explained above, is vitally important to getting full protection from your filtering materials. to alert users, purchasers, and manufacturers. Finding a reliable mask on Amazon is trickier because youll see legitimate masks mixed in with counterfeits, although the differences wont always be obvious. Anyone can read what you share. Kimberly-Clark, 3M and Gerson all make duckbill N95s he likes. The CDC explains that elastomeric masks are where the facepieces are made of synthetic or natural rubber material, can be repeatedly used, cleaned, disinfected, stored, and re-used.. Another option to consider is a filter made from the same material as a surgical mask, such as. The CDC recommends the use of mask fitters like the Fix the Mask brace. N95s are strapped to your head with headbands, which give them a snug fit and with masks, a tight fit is key to better protection. If you buy at Amazon or eBay, you are probably even less likely to have confidence in the quality you are getting. And youll probably look for excuses not to wear it. How to identify a NIOSH-approved respirator: NIOSH-approved respirators have an approval label on or within the packaging of the respirator (i.e. If you are looking for mask advice for kids 12 and under, this 20-minute video by Aaron Collins is an excellent introduction. Probably. Our best guess is that FFE from 70% to 90% might be achievable with such a strategy. NIOSH-approved N95 respirators are recommended for preventing transmission of the omicron variant of the coronavirus. The company says it is in the process of obtaining NIOSH certification: 3Ms 6000 series comes in three sizes and offers two-way filtration when fitted with the 3M Exhalation Valve Filter 604. You can also go to big-box stores like Home Depot and Lowes, says Collins. While there is no N95 mask for kids approved in the United States, mask makers in China and Korea have created KN95s and KF94s for children, including some with child-friendly colors and prints. created these lists early in the pandemic, when the agency issued an emergency use authorization that allowed health workers to use KN95 masks because of a shortage of N95s. Collins, an aerosol expert, compiled a list of the best child-sized masks to protect against COVID-19. Jan 29 So excited about this. Keep in mind that the research paper only tested one person, so your face, and fit and FFE, may differ substantially. No conclusions can be made regarding equivalency to N95 products that are NIOSH approved. The CDC recommends the use of a mask fitter to greatly improve the protection capabilities of a surgical mask. Here is a. by Collins, which summarizes his results. Also, some N95 masks come with valves that wont filter some of the air you exhale. But if air leaks out, it will leak when you breathe in too. Aaron Collins, a Minnesota-based mechanical engineer, who wrote his master's thesis on the science of aerosols and calls himself a "citizen scientist," has been reviewing masks on his . . Those are the gold-standard in the U.S., says Aaron Collins. The basic advice is to store it in a paper bag for a few days and reuse it. If you get one of these construction/industrial masks, you only need to buy and install a particulate filter. The masks come in four sizes and have a nose wire. If you use a cloth mask alone, the CDC recommends two or more layers of washable, breathable fabric. However, we dont recommend double masking with two cloth masks with two or more layers of fabric. Click image or button bellow to READ or DOWNLOAD FREE Star Wars: Darth Vader Vol. CDC: Ditch your cloth mask and get a NIOSH-approved N95 for the best protection against Omicron. COMFORTABLE FIT: This kids face mask has an adjustable nose piece and soft earloops to provide a snug fit and superior comfort. This unique design boasts excellent fit and breathability. Different respirators also attach to your head differently. Its not that Chinese-made KF94s are necessarily worse, its just that many fake masks appear to be manufactured in China. For example, I dislike rigid cup-shaped N95s, though Miller says many men prefer that style "for reasons I don't understand." Many people understand that better filtration will better protect you from inhaling viruses. A surgical mask is larger than any of the filters that will fit inside your cloth mask pocket. Older children and teens may be able to wear petite, small or medium-size N95s. There are likely many other N95 or better masks with special features or designs on the market, but here are several we are aware of. Powecoms website provides information on how you can verify you have one of their genuine masks. The specifications for Chinese KN95 masks are similar to those for the USA certified N95. You can check out his Twitter feed, his YouTube channel and a spreadsheet he has created of nearly 450 different masks and how they performed in his tests. In each review video, he tests a somewhat-different set of masks. And of those that are submitted, up to four of 18 can fail and still obtain certification. Match your Posh KF94 Mask to outfit for Kid *Online only Special* Guess what? (Emphasis added.). The latest Wirecutter ratings included 25 cloth face masks and filter inserts for independent filtration-efficiency and breathability testing at an academic research lab. But again, keep in mind the study only tested the filtration efficiency of the materials and does NOT account for the fit of the masks. Medical and Consumer Market Elastomeric Options With Two-Way Filtration. Its NIOSH approved and is perhaps the most cost effective option over the long run. Here are three videos explaining how to do this hack: UNC Health: Pro Tip to Help Your Earloop Mask Fit More Tightly (Video linked to by the CDC). Some American consumers really prefer the flat-fold shape and ear loop attachments of the KN95 so much so that "one really anomalous thing has happened," says Anne Miller of Project N95, a nonprofit organization that connects consumers with legitimate masks and other personal protective equipment: NIOSH-rated manufacturers in the U.S. have now started making KN95-style masks a Chinese standard for sale in the U.S. market. It likely wont hurt and for some masks it may increase the overall filtration efficiency by 10 percentage points or more. In China, there is no regulator to check if the masks meet the claimed standard. But with surging demand for respirators, she says, mask manufacturers and others along the supply chain are having a hard time getting them out the door fast enough. 2.0 Official CDC Mask Guidance 2.1 Should I wear a mask indoors even if I can distance? We know of only one consumer grade PAPR on the market, the JustAir. Perhaps they got a good lot. These elastomerics were not designed with a pandemic in mind. The dilution will be greater with more time and space. If you must fly on long flights, an elastomeric is also a great option that should provide excellent protection and comfort and not look too strange. Aaron Collins is helping Americans find high-quality face masks that will protect them and others from COVID-19 without taking supplies away from frontline medical workers. The mask stays on your face through use of a special self-adhesive material. However, it is not clear how well it fits. pic.twitter.com/5cuSfLxoA8, Dr. Richard Corsi (@CorsIAQ) August 3, 2021. That said, most people who want to wear a better mask arent necessarily looking for medical-grade protection. Updating spreadsheets and other shared documents when necessary. But if you want a mask that offers improved protection, you should avoid wearing either a cloth mask or surgical mask alone. Avoid touching the inside of the respirator. With its two-way filtration, it provides protection for the user and others. Respirators, when "worn properly" protect better than cloth or surgical masks, the CDC said. In many masks with poor fit, half or more of the air you breathe in may not go through your masks filtration at all. If you want to double mask, we suggest picking from one of these four masks to find the best fit for your face, then wearing a quality surgical mask underneath it to provide effective filtration. It can be difficult to talk through these types of elastomerics compared to the medical market ones, but you will get very strong protection if you wear it correctly. You can check out his Twitter feed, his YouTube channel and a spreadsheet he has created of nearly 450. Pack or store respirators between uses so that they do not become damaged or deformed. Counterfeit respirators are products that are falsely marketed and sold as being NIOSH-approved and may not be capable of providing appropriate respiratory protection to workers. Miller says a mask can lose some of its particle-trapping electrostatic charge over time, and the headbands or ear loops can lose elasticity all of which may render it less protective. If you have a fold style N95 mask or KN95 mask, you need to work the nose wire to get a proper seal. Of the mask fitters on the market, we believe the Fix the Mask brace is the best for wait staff. The design looks as if it would convey sound well. The Canopy is likely the best (and perhaps only) reusable better mask option on the market for those who teach deaf students, teachers using American Sign Language, or persons who need to convey facial expressions. Metal parts, like nose pieces sometimes called nose clips or wires, nanoparticles (ultrafine particles), or antimicrobial coating that may contain metal (such as silver or copper), may become hot and burn the patient during an MRI. One mask discussed in the post provided a similar (low quality) seal on two sisters but another mask provided 94% total filtration for one sister and just 73% for the other. The same study also reported that After a month of use, no one wearing an elastomeric mask chose to return to an N95 mask.. If you buy from one of the stores listed by the manufacturer, that will provide substantial protection against getting a fake mask. And of those that do submit fit test data, not all submit data for each of NIOSHs 10 face sizes. Almost all N95 masks use head straps two elastic bands that wrap behind the head. Most PAPRs are industrial looking and impractical for everyday use. Open. KF94 masks are similar but offer 94% filtration. When NIOSH becomes aware of counterfeit respirators or those misrepresenting NIOSH approval on the market, we will post them here to alert users, purchasers, and manufacturers. There is a version without a valve so you can wear it and protect others in the event you are infected. The advantage of a PAPR is that it is exceptionally easy to breathe compared to other HiFi masks. This information on mask options is difficult to find in one place.. Do not wash the face mask with water. The paper did not specify which model of the Easy Mask was tested this is our best guess by examining the paper and the Easy Mask website descriptions of their mask options. This same advice should be followed for other medical grade masks, such as N99, N100, KF94, FFP2, FFP3 and KN95. He says shopping for masks on Amazon can be tricky, because vendors change quickly. Some people think filtration effectiveness is based on how small the holes are in the material, but thats not how cloth or high tech materials work. Our best guess is that FFE from 70% to 90% might be achievable with such a strategy. This post by Smart Air summarizes the differences, which are minor. Many of these start at around $20 (without the necessary filters), but have even more of a gas mask appearance than the ones aimed at the medical market. The. One concern is the filter inserts are smaller than the cloth mask. We recommend you use an N95 or similar grade mask. With a rise in the delta variant, school mask mandates and recommendations from major medical groups that all children. "I know I said I was done last March," Aaron Collins said on his YouTube channel, where he'd been posting his reviews of KF94, KN95 and 95 masks for the past 18 months. If you know the NIOSH approval number, go to this, When NIOSH becomes aware of counterfeit respirators or those misrepresenting NIOSH approval on the market, we will post them. Simply try wearing your cloth mask over a surgical mask. This video below is a great illustration of the importance of fit. You are welcome to use any of this as you see fit. Do not share your mask with someone else. But if you really want the convenience that Amazon offers, he recommends sticking to the official stores of well-known mask brands, such as 3M or Kimberly-Clark. Be Healthy. The masks sell for $30 for a package of 10 at. This constantly changing environment will dilute plumes of aerosols. In this section, well cover masks that appear to provide relatively high levels of protection compared to the basic masks in the previous section. John Brooks, MD, chief medical officer of the CDCs COVID-19 Response recently said, that a combination of a medical grade surgical mask and fitter, is getting into that range of filtration efficiency afforded by N95 respirators. You can view the portion of his Jan. 29 briefing on mask fitters here. Show this thread 23 Show replies Teachers need strong protection, but they also need to be heard clearly. Aaron Collins @coll0412 27.2K subscribers Subscribe Home Videos Live Playlists Community Channels About Recently uploaded Popular 19:21 Quarter Mask Elastomeric Review - Flo, Envo & Breathe. NO 2.3 Is it ok to remove my mask to talk? There was a shortage of N-95 masks for health care workers at the . Facial hair either growing in or protruding into the area of the primary sealing surfaces of the respirator will prevent a good seal. The manufacturers of the following masks have confirmed to us that the following masks have no metal parts. Clean hands with soap and water or an alcohol-based hand sanitizer before and after touching or adjusting the respirator (if necessary for comfort or to maintain fit). While you can find legitimate KN95 masks, the supply chain is riddled with counterfeits and theres little regulation or oversight of the product. Many masks are described as one size fits most. But some come in small or larger sizes. KN95 is a Chinese respirator standard, but these respirators aren't strictly regulated by the Chinese government, according to both Collins and Miller. But an N95 mask will do a better job of protecting you. But the clear message is with one of these hacks you can improve your overall filtering efficiency by over 20 percentage points, or an improvement of about 50%. N95s come in different shapes and sizes these days. Since no one has a sharp v-shaped nose, you will need to reshape the nose wire to get a better fit. Of the mask fitters on the market, we believe the Fix the Mask brace is the best for teaching. CreditCharlie Rubin for The New York Times. Therefore, the authenticity of the claims, that the product meets a particular international standard, cannot be validated. NO, 4.1 Filtration 4.2 Fit 4.3 Breathability 4.4 A note about beards and facial hair, 5.1 Introduction 5.2 Cloth masks 5.3 Surgical masks how to choose 5.4 Surgical mask hacks to get better fit, 6.1 Introduction, Better Masks = High Filtration + Good Fit + Breathable 6.2 Our Recommended Minimum Better Mask Option a Cloth Mask on Top of a Surgical Mask What About Cloth Masks With Filter Inserts? He's been testing the filtration efficiencies of hundreds of masks and respirators on the market. It comes out of the package with a v-shape in the nose wire. Collins also compiles a spreadsheet on masks for kids, which you can access here. 6.3 The N95, N99 and N100 6.4 Surgical Mask Plus a Mask Fitter or Mask Brace 6.5 Korean Masks (KF94) 6.6 Risky Foreign-Made Masks (the Chinese KN95) 6.7 Elastomeric Masks 6.8 Consumer Grade Powered Air Purifying Respirators 6.9 Fancy N95, N99 and N100 Masks 6.10 Unique Designs Not in Any Other Category 6.11 Avoiding Fakes 6.12 Other Consumer Grade Better Masks Worth Considering 6.13 Other Resources To Find New Types of Better Masks 6.14 Clear Better Mask Options 6.15 Strapless N95 Mask 6.16 Kids Masks 6.17 Masks for a Magnetic Resonance Imaging (MRI) exam. Thats only a hope. If you must talk in an N95 for work, the Airgami may also be a good mask to consider. Speaking results in about x10 times more respiratory aerosol emission than just breathing, and singing (at high volume) or yelling can be about x50 times more. However these standards will not evaluate fit, which as explained above, is vitally important to getting full protection from your filtering materials. See the figure below from Science.. PERFECT BREATH-ABILITY: Block particulate matter, dust and other inhalable fine particles. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. This suggests that (in general) it is easier for end-users to form a face seal with an elastomeric than a disposable. Those who have tried it say it conveys sound well. While NIOSH does have a page with known fakes, keep in mind counterfeits come out faster than the government can list them. Academic paper in preparation. Clear Masks Communicating with deaf persons, use by persons using American Sign Language, or persons who need to convey facial expressions, FAQs on Protecting Yourself from COVID-19 Aerosol Transmission. On Feb. 13, 2021, the CDC announced new guidance titled Improve the Fit and Filtration of Your Mask to Reduce the Spread of COVID-19., The same day, the CDC released Improve How Your Mask Protects You.. No conclusions can be made regarding equivalency to N95 products that are NIOSH approved. shows the difference between ASTM Levels 1, 2 and 3. For instance, Happy Life lists its five U.S. distributors on its home page. The fast-spread of the infectious Omicron variant has prompted many people to try to upgrade to a higher-quality mask.