3M 3M FULL FACEPIECE REUSABLE RESPIRA Used When Masonry/ Chemical Splash/ Welding/ Chipping/ Furnace Operation/ Grinding/ Laboratories/ Chemical Clean-up/ Chiseling/ Pouring/Casting/ Sawing/ Sanding/ UV Protection/ Assembly And Mechanical/ Cleaning/ Machining/ Painting And Chemical Handling Application; Particulate; Single; With Strap/ Silicone Faceseal And Exhalation Valve