The Little Giant 520821 GP-SMPX-K is a pre-assembled simplex system. It consists of a grinder pump and a basin. This system collects sewage, effluent, drainage or seepage water in its huge basin, grinds the waste to tiny cuts and pumps it to a pipe on a higher level. It has a discharge size of 1-1/4”. It has a 2 hp motor with thermal overload protection. The performance curve of this Little Giant 520821 GP-SMPX-K Simplex System is indicated in the specification sheet. The voltage needed to run the pump is 208V single phase. Its 24” x 72” basin is made of heavy-duty fiberglass and it comes with a cover. For more details, you can refer to the specification sheet. The Little Giant 520821 GP-SMPX-K Simplex System is covered by a limited warranty for a period of 24 months. This product bears the CSA mark for meeting the standards. Little Giant has proven their excellence for over 70 years of producing reliable pump solutions, packaged system options, and accessories.