Waterway 711-4010 Waterway O-Ring For 2 in. Union;

Fits these machines: Waterway Carefree Sand Filter, Waterway Hi-Flo Series Pump, Waterway Clearwater Cartridge Filter, Waterway Spa Flo/Iron Might 48-Frame Pump, Waterway Clearwater Sand Filter, Waterway Mustang/Workhorse Pump, Waterway Clearwater DE Filter, Waterway Workman 48-Frame Above Ground Pump