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.Features of Mira Safety CBRN Gas Mask Filter NBC77 40mm Thread Canister 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". – ammonia at a concentration of (3.5 ± 0.The NBC-77 SOF 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. – sulfur dioxide at a concentration of (13.3 ± 1.3) mg/dm3 – chlorine at a concentration of (15.0 ± 1.5) mg/dm3 – sulfur hydride at a concentration of (7.1 ± 0.7) mg/dm3 – hydrogen cyanide at a concentration of (5.6 ± 0.5) mg/dm3 – cyclohexane at a concentration of (17.5 ± 1.7) mg/dm3 The initial filter resistance to constant airflow at a volumetric flow rate of 95 dm/min, Pa (millimeter of water column), max. NOTE: These gas mask filters are primarily designed to protect the user from toxic industrial chemicals and NOT intended for military or combat usage. So, even if you’re buying a few high-end NBC-77 SOF filters, it wouldn’t hurt to have a few DOTPro filters for added protection, flexibility, and peace of mind. When it comes to stocking up on gas mask filters, we advise keeping as many good filters on hand as you can comfortably afford. Engineered to meet strict EU standards and accompanied by relevant filtration data (see below), DOTPro filters are at least equal in “by the numbers” quality to most filters on the market.Ĭombine that with superior usability, color-coded labeling, clearly marked expiration dates, and rugged construction and you get the best entry-level gas mask filter on the market today. That means DOTPro 320 gas mask filters can be just as effective as the premium alternative when facing known threats in a known environment. While our NBC-77 SOF filter still has it beat with a much longer shelf life and broader overall protection, these DOTPro 320 gas mask canisters provide similar levels of protection against a number of common respiratory threats. This is the best gas mask filter for anyone on a budget or buying for a larger family/group. A gas mask is only as good as the filters attached to it, and here at MIRA Safety, we pride ourselves on offering the very best for every budget-like the flexible DOTPro 320.
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