Particulate respirator features 3M Cool Flow Valve technology for heat reduction and easier breathing. Advanced filter media also promotes easier breathing. Use for nonharmful dusts from sanding, grinding, sawing and insulating particles. M-nose clip allows fewer pressure points and greater comfort.
Some types of respirators include an exhalation valve that opens to allow exhaled air to escape through the valve and closes to force inhaled air through the filter. In filtering facepiece respirators (FFRs) and elastomeric half mask respirators (EHMRs), exhalation valves typically include a membrane composed of natural rubber, silicone, or neoprene.This membrane sits atop a support structure and lies beneath a plastic cover.
