Liquid Separator Air Inlet Size 4 in Air Inlet Type NPT Maximum Flow Rate 500 cfm Minimum Operating Temperature -15 Degrees F Type Inline Vacuum Pump Filter Outside Diameter 13 1/2 in Overall Length 20 9/16 in Weight 21 lb Air Outlet Size 4 in Air Outlet Type NPT Body Material Aluminum Bowl Material Polycarbonate Drain Included Yes Drain Type Manual Element Size Category Medium For Fluid Type Water