City / Gravity Water Hatch without Door

Direct OEM Replacement, Made In The USA. Non-Yellowing, UV stable/colorfast. Factory tested for Zero leakage. Plastic Check Valve w/1/2" Male Pipe Thread, Spout accepts either 1-1/4" or 1-3/8" water fill hose. Includes 3/8" Tank Vent Connection. Cutout Dim: 3-3/4" H X 6" W, Outside Dim: 5-5/16" H X 7-9/16" W, Total Depth: 2-1/2".