Honeywell SAF-T-Fit Plus Disposable Sanding & Insulation N95 Respirator Mask with Exhalation Valve, Professional Grade, 1-Pack (RWS-54006) Breathing protection for woodworking, sanding, welding, soldering, torch cutting, metal pouring, grinding, brazing, fiberglass insulation installation, pesticide application, lawn and garden projects Exhalation valve releases excess heat and allows for easier breathing Disposable mask is lightweight, humidity-resistant and latex-free Adjustable boomerang nose seal and two-strap construction for secure, comfortable fit Professional grade; NIOSH-approved N95 protection (TC-84A-3745) against oil-free solid and liquid particulates; 1-pack