In contrast to conventional screw-adjustable RV water pressure regulators, this regulator features an enhanced adjustable hand wheel. No tools are required simply use your hand to pull up the knob and turn it to adjust the water pressure. Turn clockwise to increase pressure, and turn counterclockwise to decrease pressure. RV water pressure regulating valve is made of class C46500 lead-free brass treated by hot casting process technology. Each batch of regulators is tested to contain less than .13 percent lead, well under the NSF requirements of.25 percent . The regulator's inlet screen also helps to filter out debris and other impurities. This ensures a healthier and RV experience. Designed with 3 or 4inch GHT() hose female inlet and 3 or 4inch GHT() hose male outlet, this regulator is compatible with water sources and RV hoses. The RV water pressure regulator has a pressure range of 0-160 PSI, and a factory setting pressure is 45 PSI. The pressure gauge provides clear visibility of the water pressure. Say goodbye to potential damage caused by excessive water pressure on your RV's pipes. water pressure regulator for RV with inlet screened filter to filter particles to prevent impurity blocking, this regulator is suitable for applications such as home use, travel trailer camping, gardening, plumbing systems, etc. Colour:As Shown Material:brass Package Contents: 1x pressure regulator for rv water hose 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.