The Maxi-Jet Pro 900 comes with two different front covers and impellers. With the installed impeller and impeller cover the Maxi-Jet Pro 900 is a 230 gph power head has input and output connections for powering undergravel filters, protein skimmers, calcium reactors and refugiums. For creating water movement the Maxi-Jet Pro comes with a propeller and propeller assembly for creating a 1,000 gph circulation pump.
The Algae Free Sure Grip Magnetic Powerhead Holders
can be used if you wish to use magnets to attach your Maxi-Jet to your aquarium