The MH Series multi-stage booster pump is engineered to meet your pressure boosting needs, and now offers nominal flow ratings of 70 and 90 gpm through 7.5 horsepower. Delivering increased flow, the MH Series covers flow rates up to 145 gpm and discharge heads to 280 feet. New models designed for durable construction and powered with 4-, 5.5- and 7.5-horsepower, three-phase motors rated IE3 for premium efficiency, with and IP55 enclosure and Class F insulation.