About this item Easy to Use: The water pressure regulator with gauge, easy to adjust the water pressure and monitor. Perfect for camper, travel trailer, RV plumbing system. Lead Free Safety: Xiny Tool water pressure regulator is made of lead-free brass, contain lowest lead than other regulator. Each rv water pressure regulator is tested to contain less than 0.13% lead, much under the NSF 0.25% lead-free requirements . Ensure the safety using of water. High Compatible: The regulator is fitting with all US 3/4 inch water hose and faucet, including 3/4" GH threads and NH threads. The inlet filter on the regulator can help you filter out sands and others, protect your pipe system for long time using. Water Pressure Adjustable: it can be adjusted from 0 to 160 PSI. By adjusting the screw on the top of the regulator , the pressure can be easily set to protect the water pipe system. Turn clockwise to increase pressure, counterclockwise to decrease pressure.