Make water changes for your marine or freshwater aquarium a breeze with the Aqua In-Out Set. This complete set uses an OASE OptiMax pump with adjustable flow control, quiet operation and a high efficiency rate. The compact OptiMax is proven to use less energy and still have more output than other standard pumps. With the pump's lightweight body you will have no trouble quickly placing the pump and securing it using the suction cup feet. Use this set to quickly and easily move old water out of the aquarium and move newly treated water back into the aquarium. The complete set includes a pump, 33 ft. tubing, and tubing fasteners with suction cups. Designed using German engineering and manufactured in Italy, this water exchange system is protected with a 3 year warranty. The Aqua In-Out Set 800 makes aquarium water changes fast and easy Lightweight, quiet operating pump has built-in flow control and suction cup feet Energy efficient - OptiMax pumps are proven to use less energy and still have more output than competitors Made in Italy, backed by German engineering Fresh and marine water compatible For submersed or inline use 3 year warranty