Note: gasket failure or missing gasket may cause leakage. Temperature changes or shaking may cause bubbles in the pressure gauge, which is normal. It can be raised from 0 to 160 psi. You can easily select the required pressure to protect the piping system by adjusting the screw on the top of the regulator 3/4 inch threaded joint is compatible with all American water hose. The water pressure can be clearly seen with a pressure gauge, which is necessary for RVs, campers and travel trailers.<br><br>Colour:Brass Color Material:Metal<br><br>Package Contents: 1 x Water Pressure Regulator Valve<br><br>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.