Camco 40055 Brass Water Pressure Regulator
Camco RV Brass Water Pressure Regulator helps to protect the RV plumbing and hoses from damage caused by high-pressure city water. Reduce water pressure to a safe, consistent 40–50 lbs of operational pressure. Protects equipment and prevents hose failure, to help prolong equipment life. (FGH x MGH)  Patented. For outdoor use only.