Lifegard Aquatics R450105 25 Watt Pro-MAX High Output, 3" Body UV Sterilizer, BlackEffective UV Sterilization: Designed to effectively eliminate harmful bacteria, viruses, and parasites in your aquarium. It uses ultraviolet light to sterilize the water, creating a healthier and safer environment for your aquatic pets. With its high output design, this UV sterilizer ensures efficient and powerful UV radiation for maximum sterilization. The flow through design allows water to pass through the unit, exposing it to the UV light for