N95 Masks - 20 pack - NIOSH
N95 and KN95 face masks are for sale online, though some larger stores like Amazon, Home Depot and Walmart have historically been low or out of stock of these types of face masks. To find in-stock N95 and KN95 face masks online, browse our list of Finder-verified mask sellers that offer a variety of masks and PPE products, including some made-in-USA options.
N95 Masks - 20 pack - NIOSH
Made-in-USA N95 and KN95 face masks
KN95 Protective Face Mask
N95 Filtering Facepiece Respirators, also known as N95 masks, fit more tightly around the face than surgical masks, and are designed to filter 95% of particles — up to 0.3 microns in size. This means that N95 masks are capable of filtering out viruses and bacteria, including airborne particles and liquid contaminants.
N95 masks are tested, evaluated and approved by the National Institute of Occupational Safety and Health (NIOSH), which is why you’ll see the words NIOSH-certified when shopping for N95 face masks.
N95 surgical respirators are a subset of N95 masks and are intended for use by healthcare personnel who come into contact with airborne and fluid hazards — like sprays of blood and other bodily fluids — during surgery. Simply put, you don’t need to get a surgical N95 respirator if you’re not performing surgery.
No. N95 respirators should be used for a maximum of 8 to 12 hours and should be discarded before meals and bathroom breaks, according to the CDC. An N95 mask should also be discarded when it becomes damaged or deformed, no longer seals the face properly, is visibly sullied or is contaminated in any way. When used by healthcare professionals, N95 masks should be discarded “after each patient encounter,” per CDC guidelines.
Amazon currently offers KN95 face masks for sale, but N95 face masks are harder to come by on this marketplace. Some 3M N95 face masks on Amazon are only available to health organizations. Check seller reviews when buying face masks on Amazon to make sure they are offering legitimate face masks that will arrive in a timely manner.
Some big-box retailers are starting to stock limited supplies of N95 and 3M masks in stores and online again. However, many stores only carry stock in certain locations, so call your local store to see if it has stock before heading out.
|Store||Masks in stock online||Masks in stock in stores|
|Ace Hardware||Yes||3M masks available in select stores|
|Home Depot||Yes – 3M masks available||N95 and 3M masks available in select stores|
|Lowe's||Yes – 3M masks available||3M masks available in select stores|
|Sears||Yes – Limted supply of 3M masks available||No|
The difference is in the country standards that measure the product’s performance. The N95 mask is a filtering facepiece respirator (FFR) that meets the United States standard of NIOSH-42CFR84. The KN95 face mask — the Chinese version of the same mask — meets China’s safety standard, GB2626-2006.
But both masks function and perform similarly. They filter a minimum of 95% of particles or droplets that are 0.3 microns wide or larger, including viruses, smoke and bacteria. Due to recent demand and shortages of N95 masks for medical workers, the US government has approved KN95s for use.
Both masks offer nearly the same level of protection, according to a study by respirator company 3M.
|Filter performance||≥ 95%||≥ 95%||≥ 95%||≥ 94%||≥ 94%||≥ 95%|
|Test agent||NaCl||NaCl and paraffin oil||NaCl||NaCl||NaCl and paraffin oil||NaCl|
|Flow rate||85 L/min||95 L/min||85 L/min||95 L/min||95 L/min||85 L/min|
|Total inward leakage (TIL)||N/A||≤ 8% leakage||≤ 8% leakage||≤ 8% leakage||≤ 8% leakage||Inward Leakage measured and included in User Instructions|
|Inhalation resistance||≤ 343 Pa||≤ 70 Pa (at 30L/min)|
≤ 240 Pa (at 95 L/min)
≤ 500 Pa (clogging)
|≤ 350 Pa||≤ 70 Pa (at 30L/min)|
≤ 240 Pa (at 95L/min)
|≤ 70 Pa (at 30L/min)|
≤ 240 Pa (at 95L/min)
|≤ 70 Pa (w/valve)|
≤ 50 Pa (no valve)
|Flow rate||85L/min||Varied – see|
|85L/min||Varied – see|
|Varied – see|
|Exhalation resistance||≤ 245 Pa||≤ 300 Pa||≤ 250 Pa||≤ 120 Pa||≤ 300 Pa||≤ 70 Pa (w/valve) ≤ 50 Pa (no valve)|
|Exhalation valve leakage requirement||Leak rate ≤ 30mL/min||N/A||Depressurization to 0 Pa ≥ 20 sec||Leak rate ≤ 30mL/min||Visual inspection after 300L /min for 30 sec||Depressurization to 0 Pa ≥ 15sec|
|Force applied||-245 Pa||N/A||-1180 Pa||-250 Pa||N/A||-1,470 Pa|
|CO2 clearance requirement||N/A||≤ 1%||≤ 1%||≤ 1%||≤ 1%||≤ 1%|
Are these brands all legitimate?
Yes. You may see Finder-verified brands appearing and being removed from the site. We work closely with our verified brands and only list them as their inventory stock lasts. Rest assured these brands are all legit.
Do N95 face masks come in different sizes?
Yes. Sizes depend on the model but often include small, small/medium, medium/large and large.
How long do N95 masks last?
N95 masks can last up to around eight hours of continuous use, as long as they do not become damaged. If there is visible damage to the filter or you begin to have trouble breathing through it, dispose of the mask and use a new one.
Are N95 masks reusable?
No, N95 masks are not designed to be reused. They should be discarded after each use and replaced with a fresh one.
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Learn about this Finder-verified company. See what you can buy, weigh pros and cons and get free shipping from Mask Makers — based in Michigan.
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