AP Products Marshall Excelsior MEGR-253P-PT24 2-Stage Excela-Flo Auto Change-Over Regulator - 1/4' INV x 3/8' FPT

Max Inlet Pressure: 250 psi Inlet Connection: 1/4' Female Inverted Flare, Outlet Connection: 3/8' FNPT Exterior Finish: Raw Zinc / Powder Coat Diaphragm: Fabric reinforced molded with O-ring bonnet/body seal (Internal relief, spring-loaded) Mounting Holes: 3-1/2' On Center