48-73-4004 Milwaukee Valved Respirator with Gasket 10 PkOur Valved Respirators with Gaskets are designed to help you stay cool while providing you with a better fit. The dust masks feature a comfortable tight sealing gasket creating a secure seal on your face for all day comfort. The respirator valve reduces the construction mask's internal temperature by 10°F keeping you cool while at work. MILWAUKEE® masks feature two soft adjustable straps and a flexible nose bridge allowing you to achieve a better fit. The respirator masks are ideal for non-harmful sanding, grinding, sawing and insulation particles.STAY COOL. BETTER FIT.Valve Reduces Heat by 10°FFlexible Nose Bridge for Better FitUse for sanding, griding, and insulation particlesLightweight Design for Extended WearSecure Welded StrapsComfortable Tight Sealing GasketSoft Adjustable StrapsNIOSH N95 ApprovedDownward Angle Vent Reduces Glasses FogValve Promotes Easier Breathing