3M Portable Compressed Air Filter and Reg Panel 256-02-00, 50 cfm, 4 outletsGeneral Information Brand 3M Battery Type Alkaline 9V Product Series Supplied Air Product Type Filter Supplied Air Respirator Style MST Portable and Fixed Panels Valve Type Cooling Heating Valve Protection Type Non Pertinent Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Return Policy NCNR Non Cancellable Non Returnable Dimensions and Specifications CFM Capacity Per Minute 50 CFM Cfm Capacity Per Minute 50 CFM