Rv urbans water inlet: The Rv inlet is connected to a check valve, using a 3/4 inch (Ght) internal thread inserted with a 1/2 inch Npt external thread, equipped with a 3-inch white flange and replaceable flexible rubber dust plug good quality materials: The valve body is made of leads-free brass to safe drinking water; The white flange is made of sturdy plastic, which is to high pressure, high temperature, , and frequent use Rv fresh water inlet check valve: easy to install in Rv fresh water system, anti backflow, anti pollutant, rubber cover protects connection points from dust pollution Widely used: urbans water supply connection inlet flange, used for trailers, ships, RVs, pollution prevention, easy to grip knob, convenient for connecting and disassembling hoses Important reminder: The flange angle installation must be correct, otherwise the valve may be damaged Color:White Material:ABS Package Contents: 1 * RV Water Fill Inlet 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.