The Camco RV Brass Water Pressure Regulator helps to protect RV plumbing and hoses from damage caused by high pressure city water. Reduce water pressure to a safe, consistent 40–50 lbs of operating pressure. The Camco Water Pressure Regulator protects equipment and prevents hose failure, to help prolong equipment life. It is FGH and MGH patented for outdoor use only, and attaches easily to any hose with 3/4″ garden hose thread. Durable brass construction is drinking-water safe. Our regulator is CSA low-lead content certified. It also complies with California’s regulation AB1953 and Vermont Act 193, Maryland HB 372, and Louisiana HB 471 low-lead content laws.