Pentair Boost-Rite Booster and Pressure-Side Cleaner Pump HP 115V 230V | LA-MS05 Condensed size is 1&#47;3 smaller than competing pumps&#44; taking up less space on the equipment pad. Innovative 5-stage impeller design cuts electricity use by as much as 25 Percent Improved 1 in. fittings are 75 Percent larger in area and provide better flow and greater efficiency. Totally Enclosed Fan Cooled &#40;TEFC&#41; motor allows the pump to run cooler and quieter. Delivers greater water pressure for more powerful and efficient pressure-side cleaning.