The Aqua UV Classic 8 Watt Sterilizer in Black from Aqua Ultraviolet is a versatile solution suitable for both freshwater and saltwater aquariums. With a capacity ranging from 5 to 200 gallons for freshwater sterilization and up to 70 gallons for saltwater, it effectively eliminates harmful microorganisms, promoting a healthier aquatic environment. It boasts a flow rate of 642 gallons per hour for freshwater sterilization and 214 gallons per hour for saltwater, ensuring efficient water treatment. Pre-installed with 2" reducers and 3/4" barb fittings, it offers easy installation without the need for additional plumbing parts.