Skimmer Lid Old Style - 8-3/8 Inch - White pool-dimensions_28x28 This is an ELC-810 Tri-Sensing

This is an ELC-810 Tri-Sensing Water Level Controller for sight glass applications with a 50 foot cable length

Cobalt Blue/Bone

And it has flow through vents so finer debris will be less likely to collect underneath the propeller hub

They are user-friendly

Skimmer Lid Old Style - 8-3/8 Inch - White pool-dimensions_28x28 This is an ELC-810 Tri-SensingThis 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.