Feature 1Wall Mount: This RV city water fill entry is wall mounted for easy installation and use, saving space and ensuring smooth water flow. 2Wide Application: Used for the connection of trailer Marine RV camper and urban water hose to prevent pollutants from entering the freshwater system. 3Knob Design: Easy grip knobs allow you to easily connect and remove hoses without a lot of effort and time, good hand feel. 4Durable Material: The water inlet is made of ABS materials, durable and reliable, and can maintain good performance for a long time. 5Installation Size: The opening hole diameter is 85mm and the applicable pipe diameter is 20.2mm. Please confirm whether the size is what you need before purchase.Item Type:RvWallMountWaterInletMaterial: ABSOpening Hole Diameter: Approx. 85mm / 3.3inApplicable Pipe Diameter: Approx. 20.2mm / 0.8inApplicable:Fit for RV Trailer Boat .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xRvWallMountWaterInlet1 x Connector