Hepa Filter For Turbo Vac Use with paper dust bag, flange and mounting screw for hazardous small particulate dust. Filter mounts onto float valve cage on bottom of vacuum head. Requires turn screw (TII3001) and Flange (TII3002) for mounting. HEPA EPA approved accessories for: 867. 8864 Turbo 1 & 980.2364 Turbo 2 vacs.