Danner Manufacturing, Inc., Supreme Model 18, Aqua-Mag 1800 GPH Air Fractionating Water Pump for Aquariums, 06018

MAXIMIZE DISSOLVED OXYGEN. Supreme Aqua-Mag Air Fractionating Water Pumps are designed to help aquarium hobbyists increase dissolved oxygen levels in freshwater and saltwater aquariums. The uniquely engineered shaft and impeller design breaks up incoming water to create tiny bubbles that help add vital oxygen to the aquarium.

UNIQUE AIR-FRACTIONATING IMPELLER. The specially designed ceramic shaft and fractionating impeller work together to break incoming water into tiny bubbles, helping improve water oxygenation and circulation throughout the aquarium.

ADJUSTABLE VENTURI SYSTEM. Front-mounted adjustable Venturi provides controlled air intake and is particularly well suited for saltwater and reef aquariums. The ceramic shaft design provides reliable performance in demanding aquarium environments.

QUIET, RELIABLE OPERATION. Includes an 18" vinyl aerating tube with a noise-suppressing muffler for quieter operation. A reusable debris pre-filter helps protect the pump and maintain dependable water flow.

SUBMERSIBLE OR IN-LINE USE. Designed for flexible installation either submerged in the aquarium or operated in-line. The combination of efficient water circulation and air fractionation makes it a versatile choice for freshwater,