ENPAC® POLY-TANK® CONTAINMENT UNIT 275™ WITH DRAIN - 82-3/8"L X 45"W X 35-3/8"H - 275 GALLON CAPACITY FOR THE WIDELY-USED 275-GALLON ROUND TANK, POLY-TANK® CONTAINMENT UNIT 275™ HELPS PROTECT AGAINST LARGE HAZARDOUS AND COSTLY SPILLS UP TO 275-GALLONS. POLY-TANK® 275™ IS DESIGNED TO SAVE SPACE AND PROVIDE EASY ACCESS TO THE TANK AND PUMP PREVENTING HARMFUL SPILLS FROM CONTAMINATING YOUR YARD.