The basin is made from High Density Polyethylene (HDPE) and comes complete with basin and lid. The basin has 42” tapered bottom and molded ribs. It holds approximately 250 gallons. The basin can be used as a pump or sump basin, siphon basin, non-potable water storage basin, or UV disinfection basin. An optional siphon or Flout can be provided and installed by Anua.