Hourleey Water Pressure Regulator Valve, RV Brass Water Pressure Regulator with Gauge. and Inlet Screened Filter for Camper Trailer. You can easily select the required pressure to protect the piping system by adjusting the screw on the top of the regulator Material: Made of lead free brass, the lead content is less than 0., 13%, far lower than the lead-free standard required by NSF It can be raised from 0 to 160 psi. Temperature changes or shaking may cause bubbles in the pressure gauge, which is normal. RV Water Pressure Regulator With Gauge Buy Signstek Water Pressure Regulator Brass Lead-free With Gauge For RV Brass Water Regulator With Gauge Function: Adjust the pressure of the hose or RV plumbing and keep water pressure of 40 to 50 pounds. Easy to install and use. Applicable Scenarios: Protect the water pipe system of the RVs, campers and travel trailers. Suitable with all 3/4″ hose threads. Safety: With stainless steel filter screen, Protect the valve You can easily select the required pressure to protect the piping system by adjusting the screw on the top of the regulator Note: gasket failure or missing gasket may cause leakage. RV Water Pressure Regulator Screwdriver Adjustable Oil Filled 3/4 inch threaded joint is compatible with all American water hose.