Honeywell Replacement Exhalation Valve 770018 4 pack weight measuring device Does not require taping

Does not require taping

Replacement blade (Item # CF818BPP)

This rotary pump is constructed of a durable

Calibration of 10 to 150 psi in 2-lb

Honeywell Replacement Exhalation Valve 770018 4 pack weight measuring device Does not require tapingRespirator 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