Pressure Regulator 10 PSI - Hose Threaded 3/4" FHT x 3/4" MHT for Drip Tape Pressure Regulator 10 PSI - Hose Threaded 3/4" FHT x 3/4" MHT for Drip Tape Inlet: 3/4" (.75 inch) FHT (Female Hose Thread) Outlet: 3/4" (.75 inch) MHT (Male Hose Thread) Maximum Operating Inlet Pressure: 80 PSI Regulator is not designed to be under static (constant) pressure