This boxed pressure gauge is designed to use with Micro-Clear vertical grid, Perflex extended-cycle D.E. filter and Sand filter models EC30, EC40, EC40AC, I_PFPPTS, S160T, S200, S240, S245T, S190T and also compatible with Hayward Pro Series sand filter models S210S, S244S, S310S, S140T, S144T, S180T...

This valve o-ring is designed to use with Hayward Pro series sand filter model S144T and also compatible with Hayward multiport valve model GM400. Weight 6 pounds.