Standard Pack = 1 piece(s). Battery Life = 5.5 to 13 Hours ; Battery Type = High Capacity Lithium Ion - Rechargeable ; Harmonizing Code = 9020006000 ; Headgear Type = Hardhat with Faceshield ; NIOSH Cartridge or Filter Assigned Color Coding = Magenta/Yellow ; Product Type = PAPR Systems ; Return Goods Information = 0-6: 15%, > 6: no return ; 3M Stock Number = 7100035755 ;