The industry's best selling, all-poly, all plastic, IBC provides an unparalleled value in long-term reusable IBCs for both hazardous and non-hazardous commodity liquids. Premium Square Stackable offers maximum features and component packages for a variety of applications. Four-way forklift and two-way pallet jack entry base is designed with safety forklift channels front and back, and open side channels compatible with most material handling equipment on each side. Available in five colors - red, yellow, black, blue and green. Premium Square Stackable only. 6" heavy-duty screw cap and seal exceed U.N. and D.O.T. test requirements. Two 2" replaceable bung openings for top draw tube installation or pressure/vacuum relief vent placement. Premium Square Stackable Only. Protective door provides added security to bottom drain valve area. Premium Square Stackable Only. Permanently molded-in U.N. markings provide long-term legibility and regulation security. Premium Square Stackable Specifications Capacity Tare Weight Length Width Height 330 gals 257 lbs 45" 45" 63.5" 275 gals 232 lbs 45" 45" 56" 220 gals 211 lbs 45" 45" 48.5" 120 gals 185 lbs 45" 45" 36.5" Test pressure rating: 14.7 P.S.I.G Material weight rating: 1.9 SPGR Stacking capacity: 2-3 units (depending on container size, weight, & temperature) Patent #4,847,028 Other patent pending Square Stackable Options Molded-in company Logos for proprietary information. Stacked discharge systems allow top tank to gravity-feed bottom tank. Heat and insulation blankets for temperature-sensitive applications. Cleaning head assembly system. Food grade valve material constructions. Top draw tube assemblies. Pressure/Vacuum relief devices. UV "black out" pigment. Alternative gasket, valve and fitting material constructions. Ultra-pure fitting connection points. Micro-Matic, GPI & Scienco pump mount adapters. Placard/document holders.