The RYOBI P770 Replacement Filter will keep your 18V ONE+ 6 Gal. Wet/Dry Vac working like new. This filter is simple to install and is designed with an easy to clean material. This filter helps protect the vacuum motor from debris for longer tool life. For best results, always pair your RYOBI tools with RYOBI accessories. The A32RF01N includes (1) P770 Replacement Filter.