The battery-powered blower pulls the air through the filter resulting in no additional breathing resistance to the wearer.
3M 72074, Organic Vapor/Chlorine/Hydrogen Chloride/Sulfur Dioxide/High Efficiency Cartridge 453-03-01R06, AEP3, 7000131720, 2 Packs/Case
$429.68
Factory Stock, 7-10 Day Leadtime, Priced Per Case
Used for protection against organic vapors, chlorine, hydrogen chloride, sulfur dioxide and high efficiency particulates.

3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 07148, Dual Airline Back-Mounted Breathing Tube SA-2500/07148(AAD), 7000002006, 1 EA/Case 
