Flo-Pak's Aqua-Pac® prepackaged water booster system provides a big boost from a small footprint. This compact unit is designed and engineered for maximum performance and energy efficiency. Its highly reliable, constant or variable speed end suction centrifugal pumps feature a rear pull-out design that allows removal of the rotating element without disturbing suction and discharge connections. A split-base option is available for fitting through a standard 36" door opening. Flo-Pak. Circle 5.