3M Versaflo Respiratory Hard Hat Assembly M-307, with Premium Visorand FacesealGeneral Information Brand Versaflo Hazard Type Silica Headgear Type Hard Hat with Faceshield & Visor Product Series M Series Product Type Headgear Supplied Air Respirator Style Versaflo AP 600 Portable Panels Valve Type Cooling Heating Valve Visor Type Clear Country Of Origin United States Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications CFM Capacity Per Minute 100 CFM Cfm Capacity Per Minute 50 CFM 100 CFM