AO Safety Backtrack Air Supply Breathing System, Model# 50160

The AO Safety Backtrack air supply breathing system converts QuikLatch, EZ Drop, 8300 or 8400 masks into Type C continuous flow respirators. Converts QuikLatch, EZ Drop, 8300 or 8400 masks into Type C continuous flow respirators NIOSH approved Easy hookup with interchangeable cartridge connectors Dual airline Y-design wraps tubing around back and away from work zone Durable breathing tube is flexible for mobility and resists kinks Adjustable belt helps reduce tube drag and stress on the mask Lightweight for extended wear with less fatigue Bell-mounted flow control valve, quick-connect couplings on air hose Lightweight, smooth reinforced PVC hoses meet &Quot;off gas&Quot; requirements for MIL H-2815, sec. 3.12.2 & 4.5.10 for high-quality breathing air Replacement parts available, sold separately