3M Half Facepiece Reusable Respirator, 7502, medium, 1/bag 3M Half Facepiece Reusable Respirator 7500 Series uses advanced silicone material to help provide comfortable and durable respiratory protectionThe 3M Cool Flow Valve helps make breathing easier and can reduces heat and moisture build-up for cool, dry comfort. Product Information Brand 3M Part # 7000002162 Origin Country USA Product Type Half Face Respirator Size Medium Product Information3M Cool Flow Exhalation Valve helps make breathing easier and can offer cooler and drier comfortAdvanced silicone material for increased comfort and greater durabilityAlways use 3M Half Mask Respirators with the correct respiratory cartridgesDual-mode head harness that adjusts easily so users can wear the respirator in either standard or drop-down modeFor use with 3M Cartridges, 6000 Series, 3M Filters, 2000, 2200, 7000 or 5000 Series, or 3M Dual Airline SystemsFor workplace/occupational use onlyHead harness assembly and spare parts availableSolid exhalation valve coverSuggested ApplicationFor use with 3M? Cartridges 6000 Series 3M? Filters 2000, 2200, 7000 or 5000 Series or 3M? Dual Airline Systems against a variety of gases, vapors and particulate hazards according to NIOSH approvals.