Nato OF-90 (Ochranný Filtr 90) Filter - Without Caps

Protective filter NBC OF-90 combined B2-P3 40x1,7 for gas mask

The filter is designed to protect the respiratory organs from exposure to gases and vapors organic, inorganic, acid, acid gases and vapors, chlorine, cyclohexane, toluene, alcohol, halogens, phosgene, hydrogen cyanide, chloropicrin, sarin, soman, mustard, hydrogen sulfide, sulfur dioxide, chlorocyanide, formaldehyde, bromine, hydrogen chloride and hydrogen fluoride, dust and liquid particles, aerosols, toxic fumes, biological solid and liquid aerosols, radioactive aerosols, bacteria and viruses. .

• thread 40x1 / 7 (inch system), 40 mm diameter with a pitch of 1/7 inch, the filter is designed primarily for gas masks with a thread of 40x1 / 7, the filter can be screwed into masks with a thread of 40x4, but only halfway (for aesthetic purposes it is sufficient)
• filters are discarded from the ACR army stockpiles

Black colour

Dimensions: diameter 110 mm, height 77 mm

Breathing resistance: 30 l / min - 140 Pa, 95 l / min - 490 Pa

Filtration efficiency: 1 • 10– 4% (0.0001%) particle size

Weight: 275g

Manufacturer: Sigma