Skimmer Lid Old Style - 8-3/8 Inch - White filter-width_12 1/2 inches Measurements: Top Lip Diameter is

Measurements: Top Lip Diameter is 10-3/4 inches

This is a Generic Cartridge Filter Locking Knob O-Ring O-327 replacement with dimensions for Hayward StarClear Cartridge Filter C250

It is light enough to easily place on the bottom of the pool

This Neptune Benson stainless steel in-line pool strainer reduces flow with a 6 x 3 Inch standard flanged connection

5 inch female National Pipe Tapered (NPT) thread (Type B)

Skimmer Lid Old Style - 8-3/8 Inch - White filter-width_12 1/2 inches Measurements: Top Lip Diameter isThis is a Pentair White Skimmer Lid with cap designed for old style Pentair Skimmers. This round cover is 8 3 8 inches in diameter. It can be used with old style Pac Fab and Pentair skimmers. Pentair's skimmer covers are engineered and manufactured to the highest standards of precision and quality to minimize installation time and maximize satisfaction.