Obtaining clear water is possible with Sicce's UV-C Clarifier. Designed for freshwater planted tanks, saltwater aquariums and even turtle tanks, it uses advanced tech to rid your tank of algae, bacteria and harmful pathogens. With an IP68 rating, the UV-C Clarifier is fully waterproof and can be installed fully submerged. It features easy installation and an auto-deactivation switch that turns off lamps during maintenance sessions. Backed by a hobbyist-trusted brand, enjoy crystal-clear water in your aquariums with peace of mind. An aquarium pump is necessary for operation. Not included with purchase.What we like about the Sicce UV-C Clarifier:- Versatile application for all aquariums and similar setups- Fully submersible or in-line installation options- Safe operation features Model Specifications UV-C 7W Dimensions (L x W) 11.4 x 4.15" Aquarium Size 25 - 100G Recommended Flow Rate 50 - 130GPH Hose Fittings 1/2" | 3/4" | 1" Rating / Cable Length IP68 | 10FT UV-C 9W Dimensions (L x W) 11.4 x 4.15" Aquarium Size 50 - 150G Recommended Flow Rate 100 - 200GPH Hose Fittings 1/2" | 3/4" | 1" Rating / Cable Length IP68 | 10FT UV-C 13W Dimensions (L x W) 11.4 x 4.15" Aquarium Size 80 - 250G Recommended Flow Rate 150 - 400GPH Hose Fittings 1/2" | 3/4" | 1" Rating / Cable Length IP68 | 10FT