aaron collins mask spreadsheet

For the highest assurance of top quality, you should look for a mask made to the ASTM 2100 Level 2 or Level 3 standard. Had to talk to the supervisor to do it. One-of-a-kind protective ASTM F2100 Level 3 fashion masks and EN 149 FFP2 respirators, featuring designers from all over the world. See these reports here, here, and here. Posh Small - Be Healthy Better Masks: Options and FAQs - #Masks4All This took about two minutes. According to him: For now, choose a kids' mask made by a manufacturer which also makes good-quality adults' masks. These elastomerics were not designed with a pandemic in mind. A mechanical engineer by day, Collins' master's degree research focused on aerosols. Latex Free Enhanced Comfort and Secure Fit - Features latex free and amazingly soft and durable headband straps as well as an adjustable metal nose piece to ensure a tight yet comfortable seal. These small droplets and aerosols can contain enough viruses to infect you. We only ask that you give the link. Avoid touching the inside of the respirator. Higher tech materials, which are usually made out of a meltblown polypropylene layer, can do a much better job of filtering the smaller particles. New comments cannot be posted and votes cannot be cast, "Pressure drop of filtering facepiece respirators: How low should we go? from $2 99 from $2.99 Regular price $8 99 $8.99 Save $6 Recently viewed. #Masks4All, a fiscally sponsored project of Community Initiatives. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Like I said above: Aaron measures the pressure drop of each mask he tests. Use of the website is at your own risk. Some KF94s are made in China. to alert users, purchasers, and manufacturers. Fold the wire flat and you can seal it around the your nose. It is one of the few masks that come in multiple sizes, including small. It comes in a range of colors and claims to provide N95 level fit and filtration and the company says it is working toward NIOSH approval. It appears more compact than many other elastomerics on the market and offers both NIOSH approved N95 and P100 filter options. Knowing which mask to pick and making sure its not a fake requires the sleuthing skills of a forensic investigator. Disposable respirator masks are supposed to be disposed of after one use by medical professionals. You can also look up the TC approval number using the certified equipment list. Collins tested several KN95s that registered in the low 80s for filtration efficiencyfar less than the 95 percent efficiency advertised. It likely does not transmit your voice as well as the Airgami, but many people believe it transmits speaking better than any elastomeric mask. 1.5 Can I use the information here in other publications etc.? All rights reserved. , use of this information is at your own risk. Inhalation and exhalation breathing resistance values for three samples tested came in at less than 4.3 mm H20, If you have found it hard to breathe through other N95s, the Airgami may be worth trying just for that feature alone. , Tying the ear loops and tucking in the corners of the procedure mask to minimize gaps in the sides of the mask increased the mean (SD) FFE to 60.3% from 38.5%. Some Covid masks are better than others. I know - Be Healthy Amazon.com: Pac-Dent iMask Premium ASTM Level 3 Kid Face Masks with For hair cutting and styling, its huge advantage is the strapless design.The only concern is that many customers wont know how to put one on. 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. . NO, Introduction, Better Masks = High Filtration + Good Fit + Breathable, Our Recommended Minimum Better Mask Option a Cloth Mask on Top of a Surgical Mask, Surgical Mask Plus a Mask Fitter or Mask Brace, Risky Foreign-Made Masks (the Chinese KN95), Consumer Grade Powered Air Purifying Respirators, Other Consumer Grade Better Masks Worth Considering, Other Resources To Find New Types of Better Masks, Masks for a Magnetic Resonance Imaging (MRI) exam. 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. Coronavirus FAQ: Why are some folks hacking home COVID tests by swabbing their throat. The physics are well understood. Thats excellent for a cloth mask. Collins also compiles a spreadsheet on masks for kids, which you can access here. Some people prefer them for comfort, and because they come in smaller sizes. Open. Worse is that many of the ones that flunked missed the standard by a huge margin. How to check to see if your mask is providing a good fit. Their results are. "Mask Nerd" Aaron Collins on which masks offer the best - YouTube Therefore, the authenticity of the claims, that the product meets a particular international standard, cannot be validated. We recommend you print out this. Both are a reusable elastomeric mask with two-way filtration. He's ordered several masks from BeHealthyUSA, New Jersey-based store that, until very recently, was known for importing Korean beauty products. The CDC performed an experiment using headforms and a simulated cough by an unmasked person. If your KN95 is missing those things, she says that this suggests it's not authentic. Many trusted sites are overwhelmed by demand right now, so you may encounter delays in fulfillment and shipping times. He joins "CBS. the Mask Nerd and his YouTube videos. The goal of these FAQs is to provide information to the general public in an efficient manner about options to upgrade your mask. Hence, the farther away you can be from other people indoors, the better. The combination almost certainly produces better results than either type of mask can produce on its own. Please see Section 5.3 for information on how to find a good quality surgical mask to pair with your mask fitter/brace. 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. If you want what the manufacturer claims is N95 protection but want something stylish and unique, the Airgami might be just what youre looking for. See the figure below from Science.. But the best filtration materials in the world wont help protect you very well if you dont also have an excellent fitting mask that is breathable. You can find a link to the online store he used to buy each mask he tested. It isnt possible to get a tight seal against any skin with facial hair. A reasonable price for N95 masks is $2 per mask or less. Perhaps they got a good lot. The Fix The Mask testing indicated the Outdoor Research mask was the most breathable. Thats because some cloth masks provide a good fit while a surgical mask provides high filtration. The C.D.C. If half the air goes around your 99% filter your effective filtration falls to less than 50%. For example, I dislike rigid cup-shaped N95s, though Miller says many men prefer that style "for reasons I don't understand." The Strapless N95 Face Mask is by far the best option for hair stylists and their customers. To minimize potential cross-contamination, store respirators so that they do not touch each other and the person using the respirator is clearly identified. It is a key technology in the development of personalized medicine. However, it is not clear how well it fits. 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. No conclusions can be made regarding equivalency to N95 products that are NIOSH approved. Aaron measures various numbers for each mask: Filtration efficiency, on his own face. 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. The most effective masks against the new COVID strain: Experts Many people who are getting a poor fit fail to adjust their ear or head straps. PERFECT BREATH-ABILITY: Block particulate matter, dust and other inhalable fine particles. You should also not allow others to talk to you without a mask from a close distance., Recent coronavirus mutations appear to be much more transmissible. Obtaining NIOSH approval is a process that often takes many months. For 4 - 12 years old. The company claims the filtration data is valid for at least 50 washes. Discard gloves after the N95 respirator is donned and any adjustments are made to ensure the respirator is sitting comfortably on your face with a good seal.. 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). If you are looking for perhaps the most protective kids masks on the market, you should try the Flo Mask (designed especially for kids ages 4-12) or Castle Grade kids size mask, which is designed for kids ages 7-11 (there are adult sizes too that may fit older kids). N95 masks, the gold standard of personal protection, were nearly impossible to buy. In many masks with poor fit, half or more of the air you breathe in may not go through your masks filtration at all. Still, high levels of carbon dioxide can have health effects. This information on mask options is difficult to find in one place.. N95 fold style masks and KN95 masks. Leading manufacturers of these masks include MSA, 3M, and Honeywell. Collins, who tests respirators on his Youtube channel, agrees with the CDC's recommendation to ditch cloth masks for tight-fitting masks that feature polypropylene filters: tightly woven. The CDC confirms that mask fitters work. list to find KN95 masks made in China, and this list for KN95 masks made in other countries. Of the 49 counterfeits, the average minimum filtration was just 45.9%, less than half the promised filtration. We list the MSA Advantage 290 in this group because it claims it was the first NIOSH approved respirator without an exhalation valve. Here's a link to the full text of a scientific research paper about pressure drop. Some minimum KN95s filtration results were under 26%! Some impressive lab studies. Editor's Note: Part 1 of a two-part commentary explains the differences in cloth face coverings and surgical masks, the science of respiratory protection, and the hierarchy of disease controls.Part 2, to be published tomorrow, will outline what makes a good mask study and why so many fail.. Dr Brosseau is a national expert on respiratory protection and infectious diseases and a research . Aaron's top KF94 mask recommendations (as of late December) are in this video segment. The Airgami, which is profiled above here, has several features that may make it especially suitable for teaching. Carbon dioxide is not a silent killer like carbon monoxide, but high levels can lead to impaired consciousness and other health effects. Collins's spreadsheet of brands he's tested is a good place to start. He and Miller say N95s with a breathing pocket or duckbill shape tend to fit . TheFlo Pro is worth considering, especially if you are looking for a very breathable mask. To see it in action, Aaron Collins tested it here. "But, then, I never thought I'd be doing this in the first place." The Wirecutter assessment appears to be the best information available to the public at this time and their most recent report included testing for each masks filtration capabilities. 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. The idea is to let it rest for five days so any viral particles trapped on it can die off. But overall, it can be hard to tell if you've got the real deal with any mask, which is why Collins and Miller both say it's important to buy from a trusted source. The 6 feet rule is based on the idea that large ballistic droplets fall to the ground within 6 feet, although they can travel farther in a cough or sneeze, up to 28 ft (8.5 m). This same advice should be followed for other medical grade masks, such as N99, N100, KF94, FFP2, FFP3 and KN95. Even though surgical masks made to the ASTM level 2 or 3 standard can filter over 95% of the particle sizes you wish to remove, the loose fit brings their fitted filtration efficiency (FFE) down to about 38.1% (ear loop version) to 71.5% (with head ties), according to this study. Moldex makes a variety of N95 masks with extra features beyond the standard disposable respirator. Keep in mind that, an FDA listing does not indicate FDA testing or approval of the product, . 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 Spreadsheet Technical Tip please : r/Masks4All - Reddit Can I use the information here in other publications etc.? Collins likes trifold or boat-shaped N95s like the 3M Aura 9205+, which has foam over the nose clip for added comfort. No, the mask should cover your nose to block aerosols coming out of it and block any that you might breathe in from the air around you. (This answer is from https://tinyurl.com/FAQ-aerosols here. P100 rated filters for these masks, which filter nearly 100% of small particles, are inexpensive and will last for a long time. Carbon dioxide is not a silent killer like carbon monoxide. Collins is a mechanical engineer not a medical professional, he emphasized but he has studied aerosols and aerosol instrumentation. The problem with a valve is such a mask provides less protection for people around you and people may be upset at you if you wear a mask with a valve. Its best to rely on the list of approved respirators. Its a duckbill style, so it does look a bit weird. However, we have not purchased one and we have never seen one in use. The KF stands for Korean filter, and the 94 means it filters 94 percent of particles. That guidance in part states the following: As explained in https://tinyurl.com/FAQ-aerosols, masks work to reduce the aerosol spread of COVID-19. The only difference between the two levels is the Level 3 resists blood and other fluids that medical professionals have to worry about. As discussed above in Section 5.3, an ASTM rated Level 2 or Level 3 surgical mask filters just as well as the materials used in the N95 masks. If employee appearance is important to a store or restaurant manager, the Airgami is clearly the top choice. Photo: Aaron Collins. We interviewed mask manufacturers, importers, public health officials and independent researchers for advice on choosing a quality mask. Its not that Chinese-made KF94s are necessarily worse, its just that many fake masks appear to be manufactured in China. Note, some of the links below go to another excellent document, On Feb. 13, 2021, the CDC announced new guidance titled, , small droplets and aerosols can travel much further than 6 feet as documented in this paper. Privacy and Security Statement Be sure to read the information in Section 6.3 on how to get a proper seal. 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. Keep in mind that the research paper only tested one person, so your face, and fit and FFE, may differ substantially. CDC: Swap Your Cloth Mask for N95 to Protect Against Omicron I'm pretty sure you could run a marathon in that thing and not have a problem," says Collins. Our best guess is that FFE from 70% to 90% might be achievable with such a strategy. These were written by the volunteer staff of Masks4All. So a surgical mask will provide more filter area to filter air coming through the mask into your lungs. For protection against viruses, N is all you need. Signs that a respirator may be counterfeit: No markings at all on the filtering facepiece respirator, No approval (TC) number on filtering facepiece respirator or headband, Presence of decorative fabric or other decorative add-ons (e.g., sequins), Claims for the of approval for children (NIOSH does not approve any type of respiratory protection for children), Filtering facepiece respirator has ear loops instead of headbands. How to Tell If Your Mask Is Counterfeit - KF94 vs KN95 vs N95 Masks 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. If a porous obstacle is put in the path of air that contains aerosols, some of the aerosols will end up in the obstacle. The Canopy is likely the best 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. Green percentages are best; red percentages are worst. Keep in mind that the research paper only tested one person, so your face, and fit and FFE, may differ substantially. Its best to rely on the list of approved respirators. So thats about five per month. The Wirecutter review indicated that the Kitsbow solid, Cottonique Elite and Baggu masks were the most breathable among the favorite masks they tested. The restcloth masks, surgical masks, Korean KF94 maskswere a big unknown. The masks come in four sizes and have a nose wire. Show this thread 23 Show replies His son's favorite mask is a KF94 made in South Korea, which is effective and. 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. "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. The best mask is the one that fits snugly against your face and is comfortable. 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. A note of caution: If you dont find a particular mask, make sure youve looked it up the correct way, said Anne Miller, executive director of Project N95. Respirators, when "worn properly" protect better than cloth or surgical masks, the CDC said. The best filter in the world wont protect you if a lot of unfiltered air goes around the mask or mask filter. Early in the pandemic, high-quality medical and respirator-style masks were in short supply. 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. 2/ Take first one out and place it directly in from of mask. In a New York Times interview with Zeynep Tufekci, she gave the following advice: Zeynep: I will give a modified version of what health care workers were advised during the worst of the shortages. That said, these may provide good levels of filtration and fit comparable with double masking with a tight-fitting cloth mask over a good quality surgical mask. The Envo Mask has NIOSH N95 certification and provided us with a NIOSH label via email indicating N95 approval with use of the mask valve plug now shipped with the mask. That's MaskGod Mr. Aaron Collins, P.B.U.H.*. Attendees at the February 2022 Friday Night Mask Party could be excused for feeling a twinge of sadness when the Mask Nerd dropped his bombshell: That night would mark the end of his career as a mask reviewer; at least for now. Some impressive lab studies. Do not wash the face mask with water. Here is a tweet with a letter from the maker of the ReadiMask attesting to its suitability for an MRI. Mask size, in millimeters. 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. Any mask will be better than no mask. Before reuse, you should ensure there is no visible damage to the filter or straps and that it is not soiled. So if you want to provide the best protection for yourself, you need to remove facial hair so your mask can create a good seal. While weve studied many materials, none of us are aerosol scientists or doctors. Big retailers like Home Depot and Lowes typically work directly with manufacturers approved by NIOSH or their distributors, so if you find an N95 mask in a major retail store you can be confident youre getting the real thing. If you buy at Amazon or eBay, you are probably even less likely to have confidence in the quality you are getting. The masks sell for $30 for a package of 10 at. Discard any respirator that is obviously damaged or becomes hard to breathe through. There are increasing numbers of elastomeric masks available that provide two-way filtering. The mask brace plus surgical mask, explained above, is also a cost-effective option for many. MR. COLLINS' FULL TESTING DATA SET CAN BE FOUND HERE. Photo from instructions for a 3M mask showing how to use a surgical mask for source control on a half facepiece reusable respirator with an exhalation valve. Six of them failed to filter at even half the standard. The dilution will be greater with more time and space. 9. Additionally, an abbreviated approval is on the FFR itself. These links to resources on masks, videos, and comments by researchers (the Content) are for informational purposes only and should not be construed as professional advice. But if air leaks out, it will leak when you breathe in too. The Dentec Safety Comfort-AirNxMD also has NIOSH approval and comes in two sizes and two colors, white and black. There is at least one report from a mask expert that it has considerable leakage around the nose. hide caption. Dilution over distance is the main reason why social distance reduces transmission of COVID-19. Their product information page is full of useful information on how to protect healthcare workers. Click image or button bellow to READ or DOWNLOAD FREE Star Wars: Darth Vader Vol. On Feb. 13, 2021 the CDC website recommended placing a disposable mask underneath a cloth mask as one way to improve how your mask protects you. 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. Keep in mind that for websites like Amazon or eBay, there is not necessarily any vetting of vendors that claim to be selling NIOSH-approved products. Medical professionals must pass a fit test with an N95 respirator in order to ensure they are wearing it properly. A legitimate KN95 should also be stamped with text, including the name of the manufacturer, the model, and GB2626-2019, which is a reference to a quality control standard approved by the Chinese government. The price of yearly membership depends on a number of factors, so final price will be calculated during checkout. The website Patient Knowhow regularly updates its page on better masks and has many useful links and videos. Collins has tested a bunch of brands you can find his results for kids' masks here, which also suggest which masks might fit different age ranges best. . 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. In a. using headforms and a simulated cough by an unmasked person, and the receiver was fitted with the double mask, the receivers cumulative exposure was reduced by 83.0% compared to not wearing a mask. The problem with buying a KN95 is that it is difficult to know if you have a good one that meets the standard or not. There are many other elastomerics, too numerous to cite here, that are aimed at the construction and industrial markets. Most PAPRs are industrial looking and impractical for everyday use. Book Review: UVF: Behind the Mask, by Aaron Edwards (2017) ireann Ascendant: An Irish History Blog March 1, 2022 . We found three online suppliers that appear to sell direct to the general public at Project N95, ReadiMask and Progress Medical. - New Special Random Pack 50pcs / $90 No Promo code needed, not valid with any other offers.Can not be used with any other coupons or discount. People who leave ratings for masks dont have the expensive equipment needed to test masks for filtration. HIS INDEPENDENT TESTING HAS BEEN INVALUABLE IN CONFIRMING THAT THE MASKS RECOMMENDED HERE ARE PERFORMING TO THEIR ADVERTISED STANDARDS. As of December 2021, the most recent study on the topic we are aware of was published in the Journal of Exposure Science & Environmental Epidemiology. We will indicate which ones have at least listed data on their websites indicating high levels of fit and filtration. Without the mask hack, a surgical mask only reduced exposure by 7.5%. The most protective mask (on paper) for your child wont do much good if your child wont keep it on or cant get a good fit. He says these started out as importers of South Korean beauty goods but now also import KF94 respirators, which are extremely common in South Korean drugstores. Whereas in a. published by the American Medical Association, the differences were less pronounced, 92.2% of participants passed fit testing with elastomerics compared to 88.5% using disposable N95. Keep in mind these studies were conducted on healthcare professionals, so your likelihood of getting a proper fit is probably worse.

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