Filter Nut, Lock Ring, Waterway, Pressurized, Top Mount, 7 1/2" Wide, 6 1/8" Hole

This part is a 6 1/4" Top Load Style filter Lid NUT that is found on top off Waterway Pressurized filter housings.. This Nut has a slide lock that locks the nut into place so it can't vibrate loose.. ..

The Additional Parts for this lid can be found here:

Large O-Ring, 5-7/8" ID, 3/16" Cross Section, Fits Some Filter Housings

Air Bleed Plug,Waterway In-Line/Top-Load,3/8"mpt,w/o O-Ring

Pump, Drain Plug, O-Ring, will fit most Drain Plugs

Pressurized Filter Lid, Waterway Top-Load Style, 6 1/4" wide at Lip