Hankinson Compressed Air Dryer- M#HPRP-750 S# RH-B375AO4A2NC08013, Air cooled- Rated Cap. 750 SCFM @ 100 PSIG, Max Op. Pressure. 232 PSIG, Refrigerant Type R-134A, Refrigerant Charge 104 OZ, Inlet/Outlet IPR Size 2.5 " W/ Max inlet temp:120 Deg F,Electricd 460 /3 PH/60 HZ, 42 L X 32 W X 58 HIGH 734 LBS.