![]() ![]() Modern protective gas masks filters, on the other hand, are truly a technological marvel. The history of gas masks and how gas masks filters became practically universal is something we've already covered in our Gas Mask Buyer's Guide, so we won't delve into that here. We’ve assembled all the research you need to make an informed decision and give your family the protection they might need. So, we’re going to look at everything you need to know about protective gas masks filters: from their practical function and specifications to the logistics of storing them and, should the need arise, putting them to potentially life-saving use. That’s a mistake that can cost you time and money…or something even more important. These complicated factors are often overlooked by new and even experienced buyers. Creating a working gas mask filter takes specialized knowledge of how to impregnate carbon with a key balance of metal salts and then treating the blend with chemicals to pass strict testing requirements. The craftsmanship of their construction matters just as much as the science behind their effectiveness. ![]() Please see local authority regulations for disposal advice and locations.A single filter can protect you from all of the contamination from a nuclear meltdown for forty full hours, while another filter could help you safely navigate the smoky environment of a house fire to reach safety.īut each gas mask filter has its limitations…Įach filter has a shelf life, classification, specs and price. If the product is to be disposed of, it should be dismantled from the respirator and disposed of as solid waste. Make sure that they are disposed of according to the filtered substance (gases or particles) in accordance with current waste treatment regulations. After use, gas mask filters are considered special refuse. Never clean the filters with compressed air or compressed water. The storage period (month and year) for filters is marked on the filter label. Sealed filters tolerate also conditions of -30 to +50☌ and RH below 95%. Store the filters unopened in a clean place at even temperature, most appropriate at -5 to +30☌ and relative humidity below 80%. The approximate lifetime (usage time) of a filter may, under normal conditions, calculated by comparing the concentration at the workplace and the minimum Dynamic Adsorption Capacity (DAC) for the filter.Įach NBC-77 SOF gas mask filter is sealed in a plastic bag by the manufacturer. Compliant under EN 14387:2004 + A1:2008īreakthrough time of a gas mask filter is tested according to EN 14387+A1 at humidity 70% and flow rate 30 l/min, which is equivalent to the volume of air per minute used by an average person carrying out medium heavy work. Certified by European agencies and has the “CE” symbol.Filter all known CBRN agents, including radioactive iodine, rated for A2B2E2K2HgSXP3 D R.Used by military personnel, CBRN specialists, and special operations forces all over the world.20-year shelf life - save money long-term by not having to replace your filters every 5 years.Compatible with standard 40mm NATO threaded respirators, which are widely available.This results in a very robust product that is extremely durable against shock and impact damage in operational use. The filter components are made of hard plastic. The filters are produced with standard round threads according to STANAG 4155 (EN 148- 1)- Rd 40x1/7". The NBC-77 SOF 40mm gas mask filter canister, in combination with a full-face mask, mouthpiece assembly, or PAPR, reliably protects air passages against a wide range of harmful and highly toxic substances including all known CBRN agents.
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