JR PRODUCTS WATER DISH WHITE METAL Used For RV Fresh Water System; 1/2 Inch Female Pipe Thread (FPT); 3-1/2 Inch Diameter Cutout Dimension; 4-5/8 Inch Diameter Outside Dimension; 3/4 Inch Dish Depth; 2-1/2 Inch Valve Depth; With Lead Free Brass Check Valve; White