Coralife turbo-twist 12x ultraviolet sterilizer with quartz glass sleeve, turbo-twist 12x flow design. Pl-l compact flourescent 36-watt uv lamp. for freshwater and saltwater aquariums up to 500-gallon. Hang-on bracket included. 5/8-inch and 1-inch barbed inserts included. Requires a water pump with 300 to 900 gph flow rate (not included). Easy set up and installation Mounting brackets included for
