Size Details: The RV water inlet has a 3 or 4 inch GHT female pipe on the outside, a 1 or 2 inch NPT male pipe inside the connection and a 3 inch flange thread diameter for easy interconnection with other devices. All Metal Material: The inlet valve is equipped with a metal dust cap, which effectively prevents dust from entering the valve and ensures the cleanliness of the water source. Safe Connection: The inlet valve has a built-in filter an return valve, so that the water flow can only flow in , preventing reverse flow. This design ensures the quality of the water. Simple installation: This rv water connection has the characteristics of easy installation. No complex tools or expertise are required, making it suitable for most types of users. At the same time, it can also add an aesthetic appearance to the RV after installation. Application: The water inlet is used to connect drinking water hoses to RV and make water flow into RV water supply system. Easy-grip knob makes it easy to connect and disconnect the water hose. Colour:Silver Material:stainless steel Package Contents: 1 x Valve 1 x Rubber Pad 2 x Filter 3 x Screw Only the above package content, other products are not included. Note: Light reflection 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.