OASE waterfall pumps create exquisite waterfalls that offer tranquility and adornment to any waterscape. Whether you prefer the waterflow to provide a visual effect that embodies a ''sheet'', ''trickle'' or ''Niagara'' style, our waterfall pump collection delivers. Our pumps are energy efficient and equipped with grounding plates to provide protection against escaping electrical currents. What's in the Box:. Waterfall Pump 1650, Waterfall Pump 2300, Waterfall Pump 3700. 2 adaptors (1'', 1-1/2''). Waterfall Pump 5150, Waterfall Pump 6600, Waterfall Pump 8000. 2 adaptors (1-1/2'', 2'') Features: Energy efficient motor, saves power. and money. in operation. Smaller power cord plug size allow for pumps to be placed discretely. Grounding plate provides unparalleled protection against electrical hazards in your pond. Uncompromisingly reliable: high cleaning force, it pumps pond water and coarse debris particles, up to 1/4 in. into a filter. Special hose adapter with threaded collar for different hose sizes (only 6600-8000). Inline capability allows the pump to be set up submerged or dry (only 6600-8000) Item / Watt / Power cable length / Max. flow rate / Max. head height 45423. OASE Waterfall Pump 3700 (MPN 45423) / 170 / 20 ft / 3700 gal/h / 21 ft