RV Gravity Water Filler Square Hatch Water Box with Key Screw RV Trailer Caravan Accessories p20241126764 Made of plastic material, durable and . Square cover is simple and elegant, suitable for caravan water intake inlet. The lid can be locked to water safety. Designed with 1 or 2 inch venting holes to prevent water spray when water is added. 1 or 4 inch connect hole prevent leakage and loosening, more convenient to enter the water. With 2 spare keys and other accessories which are useful. Size: Outer Size: about 151 x 166 mm Inner Size: about 108.5 x 76.5 mm Colour: white Material: plastic Package Contents: 1 x Hatch Cover 2 x Keys 1 pack x Mounting screw Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.