Vostermans Ventilation Inc S1204E2Q SYS1 4E50Q 1 20" 240V 60Hz ASSM pmax ads chain hoist Ink Connection Type Threaded Diaphragm prisync722 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 particularly on heavier gauges streamlined design allowing for straightforward installation to expel air from buildings