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For viral particulates, experts recommend using a P100 (P3) filter.

Anyway, the company was super responsive and helpful - and they took it back though it was outside of the return window. The most affordable product we have available with P3 protection is the Just to be clear, can I store a filter in a freezer bag under conditions written above, once it's opened?You can re-seal a filter after it's opened, but we cannot guarantee that it will function the same as a freshly opened unit. If you'd like specific data on use time, you can look at the brochure that goes into breakthrough times along with the application.If I work with viral vectors everyday, does it mean I must have a new filter everyday?

If the product is to be disposed of, it should be dismantled from the respirator and disposed of as solid waste. Is it primarily because of geographical usage?Precisely. How long will a NBC-77 SOF filter protect in non-contaminated air against viruses?As viruses travel in particles and liquid aerosols, this filter will protect you for as long as you can wear the mask (several days). Compatible with standard 40mm NATO threaded respirators, which are widely available.20-year shelf life - save money long-term by not having to replace your filters every 5 yearsUsed by military personnel, CBRN specialists, and special operations forces all over the worldFilter all known CBRN agents, including radioactive iodine, rated for A2B2E2K2HgSXP3 D R.Certified by European agencies and has the “CE” symbol.

Excellent product - great customer service - answered email quickly, a little slow getting mask but with today’s supply and demand - again excellent - offered a free upgrade. We appreciate your patience as we work through this, and ask that you read all product descriptions carefully before reaching out with questions. Store the filters unopened in a clean place at even temperature, most appropriate at -5 to +30°C and relative humidity below 80%. Add to cart

The filter components are made of hard plastic.

Most masks use the standard NATO 40mm threaded gas filters (some MSA masks use proprietary filters) All new filters hold an NBC rating (Nuclear, Biological and Chemical) in addition to CBA/RCA (Chemical Blowing and Riot Control Agent) ratings. Something I hope I’ll never need but glad to have it Get the inside scoop on product releases, exclusive offers, and more...MIRA Safety was started with a mission to provide the world with the best safety and tactical gear available For those that don't know what P3 means, it is a rating for a particle filter that blocks 99.9999%+ of particulates.  Due to an unprecedented spike in order volume and inquiries, our lead times on shipping, along with the time it takes us to respond to your questions has increased. If you have a question about a product that hasn't already been asked, please click on "ask a question" in the Q&A section to help others seeking information. The current estimated lead time on the NBC-77 SOF filter is , and your order will be shipped in the sequence in which it was received. The storage period (month and year) for filters is marked on the filter label. As a general rule of thumb, we would suggest having two filters per person per day for emergency evacuation purposes. $80/day?Yes, you would need a new filter every day, but you wouldn't necessarily need a high-end CBRN filter. Do not try to regenerate the filters. As this is an old mask it might be threaded in 40mm Soviet GOST. [10 Pack] 10 in 1 Gas Mask Half Face Facepiece Respirator Same for Gas Respirator with Carbon Filters Painting 4.3 out of 5 stars 43 $35.00 $ 35 . Love that they do a discount for veterans and LE personnel, too, which basically negated any restocking fee in my case, which was awesome. Find gas mask canisters that fit most masks.