Item Detail Table of Content Express Lane Oil Drains Pressure Discharge Drain 18 Gallon Item Number: SMN373400 Supplied by SAMSON CORPORATION (see all) Price: $724.90* * log in for dealer pricing. Direct from 3rd Party Supplier Add To Cart Description Portable 18 gallon air evacuation drain. Unit has built in safety valve to prevent over pressurization of the tank. Shop air is used and unit is emptied through a 6.5 foot discharge hose. Features 18 gallon capacity 6.5 foot discharge hose Level gauge Safety valve Sleeve bearing fixed wheels Heavy-duty casters Warranty One (1) Year