Fresh Water Pressure Regulator; Protects RV Plumbing Against High Pressure; Without Check Valve; Regulates Pressure To 40-50 PSI; High Flow Allows 15-20% More Flow; With 3/4 Inch GSH Female Swivel Inlet And 1/2 Inch NPSM Male Outlet; Complies With CA and VT Regulations For Brass Content or Does Not Comply With CA and VT Regulations For Brass Content; Without Gauge; Brass; With Retail Package