TR-6310E 3M Versaflo A2P Filter. Our Filter is designed to be used with 3M Versaflo Powered Air Turbo TR-600 and TR-800 Series. Provides respiratory protection against organic gases and vapours with boiling points > 65 C and particulates, Simple to install, 3M recommends using Filter Cover TR-6300FC to protect the Filter from physical damage, CE approved.