The Aqua Ultraviolet Classic 15 Watt Series Unit, equipped with a 3/4" white wiper, offers versatile functionality for freshwater and saltwater aquariums. With a sterilization capacity ranging from 200 to 500 gallons for freshwater and up to 75 gallons for saltwater, it ensures efficient water treatment. This UV unit boasts a flow rate of 700 gallons per hour for freshwater sterilization and 233 gallons per hour for saltwater, achieving optimal UV exposure levels. Additionally, it serves as a clarifier for freshwater tanks up to 2000 gallons, promoting crystal-clear water clarity. Conveniently, the unit comes pre-installed with 2" reducers and 3/4" barb fittings, eliminating the need for additional plumbing parts and simplifying installation.