Valterra Black Plastic Lockable Gravity Hatch Fresh Water Inlet A01-2004BKVP 10-0169

It has 1/2 inch MPT, 1-1/4 inch barb connection and 1/2 inch air vent. Cutout is 5-7/8 inch width x 4-3/4 inch height & overall dimensions are 7-5/8 inch width x 6-1/2 inch height. Includes installation tape and hardware. Sold in retail package.