AQUATOP’S In-Line Ultraviolet Sterilizer maximizes UV exposure in a compact, easy-to-install unit. The IL10-UV multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, power head, or on the return line of a canister filter. The IL-UV Series includes a replaceable UV-C Lamp, barbed fittings and is suitable for both fresh and saltwater use. AQUATOP’S IL-UV Series clarifies and sterilizes aquarium water, providing clear and healthy water so your aquatic creatures to thrive!