3M FF-400 Ultimate FX Full Facepiece Reusable Respirator, Ea Industrial Grade Single piece wrap around polycarbonate

Single piece wrap around polycarbonate temple and lenses

Back D-ring

Revered for its comfort-conscious construction and tactical grip performance

Well you're probably wondering what the Duo part is

3M FF-400 Ultimate FX Full Facepiece Reusable Respirator, Ea Industrial Grade Single piece wrap around polycarbonate3M FF 400 Ultimate FX Full Facepiece Reusable Respirator Details Scotchgard protection paint and stain resistant lens cause some liquids to bead up so they can be wiped off easily Large lens provides a wide field of view for excellent visibility Silicone full facepiece design offers comfort, durability and ease of cleaning 3M Cool Flow Valve makes breathing easier to provide cool, dry comfort Passive speaking diaphragm enhances communications