Laguna Max-Flo Waterfall and Filter Pumps: Laguna’s Electronic Waterfall and Filter Pumps employ a new generation of Smart Pump Technology (SPT), an integrated self-regulating system that tracks power consumption, hydraulics & impeller direction to ensure powerful output & energy efficiency. This technological advancement has produced the most powerful, energy efficient pumps on the market today. Compare watt to watt, gallon to gallon, Laguna Pumps outperform.