20W Pond UV Light for 100-1000 Gallon, Aquarium UV Light, UV Water Clarifier for Koi Pond, Cold Plunge, Aquarium, Swimming Pool, Spa and Fish Tank Algea Control

HIGH EFFECTIVE GERM KILLING - Designed specifically for pond, aquarium, cold baths, use of advanced technology to quickly eliminate over 99.99% of harmful bacteria in the water17 FT POWER CORD...