Chem-Tainer R367248A 540 gal 72" x 36" x 48" Rectangular Tank A Series - This tank is designed with heavy walls for long service under severe conditions. Straight sides allow maximum use of space. Our tanks are used in dozens of industries for plating, processing and storage. Resin complies with U.S. Food and Drug Administration regulation 177.1520 (c) 3.1 and 3.2.