Ensure crystal-clear water and a healthier aquarium with the Dymax UV-FLO 5W In-Line UV Sterilizer. Designed for seamless integration with 12mm/16mm tubing, this powerful UV sterilizer effectively eliminates harmful microorganisms, algae, and pathogens, promoting a pristine aquatic environment. Ideal for maintaining water clarity and fish health, the compact and efficient design fits effortlessly into your aquarium setup.