These seamless, rectangular, rotational-molded polypropylene/polyethylene tanks are lightweight and easy-to-handle. The rectangular tanks with straight sides allow maximum use of space and service under severe conditions. Durable construction equip these tanks with high chemical resistance including resistance from corrosive acids and alkalis. Tanks are available with or without a faucet depending on the model. Some models can be supplied with additional parts including spigots, fittings, dams, partitions, etc. Certain tanks have overlapping skirted cover and also stepped rims for added strength. Effective and long-lasting, these tanks are designed to perform under strenuous conditions for years and serve dozens of industries.