Aboveground Standard Winter Skimmer Plug - 5-5/8 x 5-7/8 Inches valve-type_Ball It is used for alkalinity

It is used for alkalinity test with Taylor Kits

chemical saving

This is a swivel hose cuff that is 2 inch slip x 2-1/2 inch threaded

1-Speed 1-Phase 115/230 Volts

Aboveground Standard Winter Skimmer Plug - 5-5/8 x 5-7/8 Inches valve-type_Ball It is used for alkalinityThe Standard Aboveground Winter Skimmer Plug securely fits into your skimmer opening using an exclusive Rovaseal thermo insulated layer, ensuring a water tight seal. Just press the Skimmer Plug flush all the way in against your existing skimmer faceplate. No tools are required and you don't need to drain your pool! Made of ABS plastic, the durable outer plate creates a 100% air tight seal preventing freezing during the winter months. This material is