3M (TM) Cool Flow (TM) Exhalation Valve helps make breathing easier
Double-flange face seal
NIOSH approved
Scratch-resistant polycarbonate lens
Silicone facepiece
Six adjustable straps
Speaking diaphragm for easy, clear communications
Versatile - use with particulate filters, gas/vapour cartridges, supplied air systems or Powered Air Purifying Respirators (PAPR)