42 CFR 84.191 - Chemical cartridge respirators; required components.
(a) Each chemical cartridge respirator described in § 84.190 shall, where its design requires, contain the following component parts:
(3) Cartridge with filter;
(5) Breathing tube; and
(6) Attached blower.
(b) The components of each chemical cartridge respirator shall meet the minimum construction requirements set forth in subpart G of this part.