For commercial use (or residential buildings with multiple fixtures) Powerful pre-assembled Duplex - 1 HP lift station capable of discharging wastewater from multiple fixtures Grinder system designed to handle sanitary products, Handle black and gray water ↑ 36 Ft ↑ and/or ← 328 Ft → Capable of discharging up to 90 GPM Inlets: five 1-1/2” or 4", Discharge: 1-1/2” + vent External control and alarm rated IP68 (waterproof) Easy dual-access service panels Certifications: CSA (IPC, NSPC), IAPMO (UPC) 4 Years limited warranty