Valterra A01-2004VP White Carded Gravity/Plastic City Water Inlet Hatch Gravity and city water fill with 1/2 inch MPT tank connection in a lockable hatch Paintable UV stabilized plastic with 1/2 inch air vent for a fast fill Includes installation screws, putty tape and PTFE tape Cutout: 5-7/8 inch width x 4-3/4 inch height OD: 7-5/8 inch width x 6-1/2 inch height