UV Sterilizer, this product can kill the harmful germs and algae so that it will make a suitable Living conditions. UV Sterilizer Specifications: Model:CUV-111/118Power: 15/20WUV-C: 11/18WUV-C: 85%Capacity: 10,000/20,000LMax. pressure: 0.3 barMax. through flow: 1,700/2,500L/hInlet and outlet adapter: 3/4"~1-1/2"Length: 314/314mm