The AQUATOP SWP-3300 fully submersible pump is powerful, yet quiet, and designed for very low energy consumption. Capable of moving 977-gallon per hour, the SWP-3300 is suitable for both fresh and saltwater aquarium use and is an excellent choice for water gardens or ponds. This versatile pump offers flow control and comes equipped with numerous multi-purpose fittings for use as a powerhead or circulation pump.