CMP Chlorinator Lid for Rainbow (25307-500-020) airreliefvalves This O-ring is useful because

This O-ring is useful because it helps maintain the integrity of that junction

1-1/4 inch by 1-1/2 inch configuration

Fits compatible Universal heater applications

which can matter a lot inside a packed equipment area

CMP Chlorinator Lid for Rainbow (25307-500-020) airreliefvalves This O-ring is useful becauseThe CMP 25307 500 020 chlorinator lid is designed for compatible Rainbow chemical feeder applications. A lid like this is useful because it restores the top closure of the chlorinator housing, helping the feeder look more complete while preserving access to the internal chemical compartment. Replacement lids are especially practical when the original cover has become brittle, cracked, or difficult to seat correctly after repeated service. This CMP