The ClearTronic UVC pre-clarifiers keep the water in the aquarium clean. Germs and turbidity in the aquarium. The UV radiation removes turbidity caused by algae and bacteria and combats harmful germs. Bound, useful cleaning bacteria are not captured by the radiation. A high-quality UVC bulb and extensive connection accessories are included in the scope of delivery. The UVC clarifier is space-saving and can be easily concealed in the aquarium. Thanks to 100% VDE testing, the radiation poses no danger to eyesight. The UVC clarifier is safe, tested and of top quality. With a power consumption of 11 watts, it delivers 7 watts of UVC power. A quick-release fastener makes it easy to change the bulbs and clean the quartz glass.