Rated one of the best pumps in the industry. Powerful, cool, and super quiet. The Pacific Coast Imports Gen-X PCX-20 Aquarium Pump can be used as an external circulation or pressure pump for all types of aquariums.
Flow rate: 634 gph
Max head: 9.8 feet
For external use only
Non-leak seal-less pump. Non-corrosive polypropylene housing. No oiling required.