Coralife Turbo Twist UV Sterilizer, 3X

Removes free floating a ae, parasites and harmful micro organisms from aquarium water,Features a unique twist flow design increases water s exposure to ultraviolet light improving the treatment of unwanted a ae and microorganisms,For fresh or saltwater applications,Easy setup and installation, includes mounting brackets for hang-on or inline applications,Indicator light lets you know when the sterilizer is operating,Use Coralife UV Replacement Lamps,Multiple sizes to accommodate a variety of aquarium sizes,A water pump is needed (sold separately),Increased exposure to UV light from twist-flow design uses replaceable 9W UV lamp.,Recommended for aquariums up to 125 gallons.