CFR 22 A1B1E1K1 CONO P3 - Combination filter for organic, inorganic acid gases and vapours, ammonia and organic ammonia derivatives, nitrogen oxides, carbon monoxide, solid and liquid radioactive and toxic particles and microorganisms (each)
CFR 32 A2B2E2K1Hg CO20 P3 - Combination filter for organic, inorganic acid gases and vapours, ammonia and organic ammonia derivatives, mercury, nitrogen oxides and carbon monoxide, solid and liquid, radioactive and toxic particles and microorganisms eg. bacteria and viruses (each)
Scott Safety's Pro2000 filters are suitable for use with the Scott Safety Promask Single and M98 full face respirators and a selected number are approved for use with Scott Safety Powered Respirators
Scott Safety Pro2000 filters/canisters have a 40 mm thread connection