Vostermans Ventilation Inc S1204E2Q SYS1 4E50Q 1 20" 240V 60Hz ASSM pmax ads chain hoist The electronic variable speed means CFM_82 at 100 PSI The electronic variable speed means torque is not lost using either the higher or low speed settings Ink Connection Type Threaded Diaphragm Material Santoprene Fluid Inlet Size (in) 3 4 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 3 4 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Fluid Section Material Stainless Steel Manifold Configuration Center Port Manifold O Ring Material PTFE Material Stainless Steel Maximum Air Consumption (SCFM) 28 Maximum Air Pressure (MPa) 0 The hood shutter features detachable cold weather slide seals streamlined design