Hayward AstroLite Clamp Ring w/ Hardware (SPX0580B) couplings A spring check valve helps

A spring check valve helps maintain one-way water flow in a compatible plumbing system

This white hydrostatic valve provides essential pressure relief to protect pool structures from groundwater buildup

Helps renew the filtration surface in compatible DE filter systems

1-1/2 inch slip x 1-1/2 inch slip connection

2-1/4 inch face diameter

Hayward AstroLite Clamp Ring w/ Hardware (SPX0580B) couplings A spring check valve helpsPool and spa lighting assemblies need secure hardware and clean lens support to protect the fixture and maintain a finished look. Hayward AstroLite Clamp Ring w Hardware is made for lighting repairs where the face plate, clamp ring, lens related hardware, or LED component needs to be replaced as part of a proper service job. This Hayward lighting part helps restore the appearance and mechanical fit of compatible fixtures. It is useful for fixture