JR PRODUCTS CITY H2O DISH PW Direct OEM Replacement; Used For RV Fresh Water System; Recessed Inlet Without Hatch; 3-1/2 Inch Diameter Cutout Size; 4-3/4 Inch Outside Diameter x 3/4 Inch Dish Depth; 3 Inch Valve Depth; Plastic Check Valve With 1/2 Inch Male Pipe Thread (MPT); Polar White; Single