Compact UV-C water clarifier 36W to combat water clouding.Key Features:• Cristal-clear and healthy water: 36W UV-C clarifier for the quick and efficient elimination of greenish and whitish clouding in freshwater and marine aquariums.• Space-saving assembly: connect to external filter. Inlet and outlet are positioned for practical use. Shortest installation length: 61cm.• Germ-killing UVC radiation, reduces risk of infection, no change to the water values, no effect on cleansing bacteria in the filter.• TÜV tested, safety switch: automatically switches UV-C lamp off when device is opened. Sturdy, UV-resistant casing, 2-glass design.