AQUANIQUE 2300 GPH Waterfall Pump The 2300 GPH Waterfall Pump is ideal for medium waterfalls up to 10 ft. tall. All aquanique Waterfall Pumps have a back-spitting feature to cool the pump. The internal design of the pump allows larger debris to flow out of the discharge and finer particles to flow out of the rear of the pump. This ensures that the shafts and bearings are being continuously cleaned. Includes a mesh barrier pumpshield prevent debris from clogging the pump. Pump design allows for simple and quick access to all moving parts; no tools necessary.