Key Features High Quality impact resistant plastic housing Eliminates cloudiness and harmful bacteria Quick release for easier access to bulb and Quartz Slim design and intergrated ballast- a real space saver For Tanks up to 600 Litres (132 Gallons) Oase 11 Watt Clear Tronic are reliable and robust UVC Clarifiers made specifically for Aquariums. The Clear Tronics effectively eliminate harmful bacteria in the water while preserving the good and beneficial bacteria. The UVC eliminates the cloudiness caused by algae and bacteria present in the water. The UVCs are made of high quality and robust impact resistant material and plastic housing. Each Clear Tronic has a powerful and effective UV bulb at its core and a range of connection accessories to make connecting to an existing set up. A quick release system enables the bulb and quartz to be accessed easily. The units have been designed to safe space and can be stored in a cabinet thanks to minimal dimensions and an intergrated ballast.