Designed for use with 3M Versaflo Powered Air Turbo TR-600 and TR-800 series TR-6710E - Particulate (P) filter for protection against dusts, mists, fumes and other particulate hazards. TR-6820E - Particulate (P) filter for protection against dusts, mists, fumes and other particulate hazards + nuisance level Acid Gases (concentrations below the occupational exposure limit). Protection against Hydrogen Flouride up to 10 x Threshold Limit Value TR-6110E - A1P - For protection against organic vapours, dusts, mists, fumes and particulates. TR-6130E - ABE1P - For protection against organic vapours, inorganic vapours, acid gases, dusts, mists, fumes and particulates. TR-6310E - A2P - For protection against organic vapours, dusts, mists, fumes and particulates TR-6580E - ABE2K1HgP - For protection against organic vapours, inorganic vapours, acid gases, ammonia, mercury, dusts, mists, fumes and particulates CE approved to EN 12941 (TH2 or TH3 depending upon headtop combination) amd EN 12942 (