Polar White City/Gravity Water Hatch without Door - This combination city/gravity water fill will accept either 1-1/4 inch or 1-3/8 inch water fill hose. It has a brass city check valve and also has a gravity fill tank vent connection. This is a direct OEM replacement that is UV and impact resistant. It is also resistant to road salts and acids. Please note that this water fill does not come with a door. Polar White in color but can be painted. Cut-Out Dimensions: 3-3/4 inch H x 6 inch W. Outside Dimensions: 5-5/16 inch H x 7-9/16 inch W. Total Depth: 2-1/2 inch D. 1 per package.