Gravity fill and plastic city water fill with 1/2" MPT tank connection in a lockable hatch. Easy to replace city and gravity water fills on a rectangular mount. Paintable UV stabilized plastic with 1/2" air vent for a fast fill. Outside Dimensions: 7-1/2" width x 5-1/4" height. Cutout Dimensions: 5-1/2" width x 3-1/2" height. Includes screws, putty tape and PTFE tape. Available in white or black.