6-gallon portable tank with ergonomic handle. Multi-layer HDPE (High Density Polyethylene)/EVOH (Ethylene Vinyl Alcohol) construction that is EPA (Environmental Protection Agency)/CARB (California Air Resources Board)/ABYC (American Board and Yacht Council)/NMMA (National Marine Manufacturers Association)/ASTM (American Society for Testing and Materials) certified. 1/4 In. NPT (National Pipe Thread) molded fitting and cap are included. Unit weight is 5.72 Lb. (pound).