This part is an Air Bleed Plug for a Waterway Pressure Filter Canister Lid Top-Load Style.. 3/8"mpt with O-Ring
For other Related Parts Click the Links Below:
Filter Nut, Lock Ring, Waterway, Pressurized, Top Mount, 7 1/2" Wide, 6 1/8" Hole
Pressurized Filter Lid, Waterway Top-Load Style, 6 1/4" wide at Lip
Large O-Ring, 5-7/8" ID, 3/16" Cross Section, Fits Some Filter Housings, Pressure
