Camco's RV Stainless-Steel Water Pressure Regulator helps protect your RV's plumbing and hoses from damage caused by high-pressure city water. It reduces the water pressure to a safe and consistent 50–60 PSI of operational pressure while maintaining a high-water flow. The regulator protects equipment and prevents hose failure to help prolong equipment life. Drinking water safe. For outdoor use only. Protects: Helps protect RV plumbing and hoses from high-pressure city water Protects: Helps protect RV plumbing and hoses from high-pressure city water Compatibility: Attaches easily to ¾-inch garden hose threads Durable Construction: Stainless-steel construction is drinking water safe Certified Product: CSA low lead content certified. Complies with California's AB1953 and Vermont Act 193, Maryland HB 372, and Louisiana HB 471 Low Lead Content Laws