3M Reusable Respirator Half Facepiece traffic-safety It reduces water evaporation by

It reduces water evaporation by up to 85-percent

Self-adjusting polyurethane foam expands to fit virtually every wearer

Recommended for all plasma

Turbo Assembly

3M Reusable Respirator Half Facepiece traffic-safety It reduces water evaporation by3M Reusable Respirator Half Facepiece 7501, NIOSH, 3M Cool Flow Valve, Dual Airline Supplied Air Compatible, Integrated Dropdown Suspension, Bayonet Connections, For Chemical Handling, Painting, Small NIOSH APPROVED: NIOSH, a USA federal government regulatory agency, has tested and approved the 3M 7501 Half Facepiece Reusable Respirator with 3M cartridges, filters or supplied air systems to help reduce inhaling certain airborne contaminants COMFORT