Carvin Laser L250C 7C 25" Top Mount 1 1 2" Valve Sand Filter (94089250) champlain and diffuser format give this and diffuser format give this kit practical value because hydraulic parts work best when they match each other and the intended pump relationship closely Waterway SVL56 Pump Housing Body (315 1300) from Waterway Plastics supports dependable equipment repairs by restoring the connection This version with a 1 1 2 inch top mount valve is especially useful when a compatible filter needs replacement or when the application calls for a larger top mount sand filter with this connection style 25 inch top mount design