The ultimate in returnable, reusable bulk packaging. All-welded 10 gauge metal tanks have patented sloped bottom for uniform and complete drainage. 1/4" thick combination lift lugs/leg positioners for international and domestic shipments. Stacks three high. 22 1/2" diameter fill opening. Supplied with cover, EPDM gasket and bolt ring. Equipped with 2" NPS brass or stainless steel ball valve. Optional: 2" or 3" fusible vent in center of cover available.