The OASE StreamMax Classic 5000 stream pump promotes a healthy environment for aquarium fish and plant life by creating water currents that mimic a natural environment. The StreamMax Classic pump makes it easy to adjust the water flow rate based on the individual needs of your aquarium?s plants and inhabitants. This quiet compact pump can be discreetly placed anywhere in your aquarium and adjusted by 90? for easy positioning and for directing water flow. StreamMax Classic 5000 has a 950 gallons per hour min flow rate and 1320 gallons per hour max flow rate. Designed with German engineering and manufactured in Italy this pump is protected with a 3 year warranty. It is compatible for fresh and saltwater setups.