0073 Replacement Diaphragms for 7000, 7800 Series Half Mask & 9000 Series Full Face Respirators ken tool ken injection-molded plastic with an oval

injection-molded plastic with an oval handle that wraps around the can for great balance and control while watering

Includes two CR2032 lithium batteries

Metal kit is wall-mountable for easy access to supplies

attach a wire stretcher

Center hole is 4" diameter

0073 Replacement Diaphragms for 7000, 7800 Series Half Mask & 9000 Series Full Face Respirators ken tool ken injection-molded plastic with an ovalRespirator inhalation and exhalation valves open and close opposite each other to maintain a constant, neutral pressure inside the mask. Inhalation valves open when a worker breathes in to allow air to flow freely into the mask through the filters. Exhalation valves close automatically when the inhalation valve opens. They open when workers breathe out to release breath and moisture from the mask, making masks to make them more comfortable by reducing