Specifications include, but are not limited to: Dimensions: 62" W X 62" H X 119" Long Storage/Holding Capacity (U.S. Gallons): Main Tank Hopper Tank Total 600 800 1400 Rock Salt Holding Capacity (Cubic Yards): 3.68 Production Rate: 3600 Gallons Per Hour Materials: The salt brine production systems shall be comprised of rotationally molded, one-piece tanks. Rotationally molded polyethylene SBPS tanks shall be manufactured from a polyethylene compound that conforms to the following properties......... Density- ASTM D-1505 .942 g/cm3 Melt Index- ASTM D-1238 2.0 g/10min. Tensile Strength- ASTM D-638 2,700 PSI Flexural Modulas- ASTM D-790 103,000 PSI Low Temp Impact- ARM-Low Impact (1/4") 175 ft. lbs. Main Salt Brine Tank: Rotationally molded one piece (no welds, joints, or seams) polyethylene plastic tankUV stabilized to provide protection from sunlight- 5/8" nominal thickness. Open floor with interior rib to prevent any type of tank bulging. Pitched bottom to lower sump area provides total drainage. 3" schedule 80 PVC drain pipe with threaded plug end.