This lightweight 57 Liter (15 gallon) linear low-density polyethylene cylindrical tank comes with a cover and is graduated every 5L (1 gallons). External flange extends beyond rim when used as liner for steel drums. NALGENE tank liners are available. Meets USP Class VI requirements and complies with 21CFR177.1520. CAUTION! Plastic tanks are generally subject to more severe conditions than plastic labware; exposure is constant stresses are greater and different classes and concentrations of chemicals are involved. Please pay special attention to chemical compatibility. Material: LLDPE (linear low-density polyethylene). Capacity: 57L (15 gallons). Dimensions (outer diameter x depth): 33 x 71mm (13 x 28 inch). Graduations: 5L (1gal). 1/Case. Nalgene® #: 54100-0015.