Our water pressure regulator has a 3/4 inch female thread inlet hose and an external thread outlet hose, universal and compatible with all American water sources and supplies Effectively reduce water pressure to protect appliances, plumbing fittings and hoses from damage caused by excessive water pressure in the city. Suitable for camping, gardening and maintenance of sanitary systems Our pressure reducing valves are made of lead-free brass for your fresh-keeping system and feature a screen filter inlet that filters water from particles or debris that can lead to blockages Using the hands on our pressure gauge, you can see at any time how much water pressure flows through the pipes. If the meter shows a water pressure below 40, possibly so that your valves are not fully open when filling tanks. If the pressure is above 50, the regulator may stop working and is recommended to replace it with a new one Our flow water regulator can reduce the high pressure of the water hose to 40-50 to protect the appliances, plumbing fittings and hoses of your RV and boat from damage caused by high pressure water in the city, designed for RVs, trailers, RVs, gardens and plumbing systems, Manufacturer: OSNIYAW