Product Details  UV-C Filter, with protection device inside and indicator screen design.  UV-C Filter Specification: -With protection device inside -Ballast Inside-Indicator screen design-Please dont connect it with the power source before finishing the assembly of all the spare parts-The product can kill the harmful germs and algae so that it will make a suitable and healthy living conditions for the ornamental fishes-UVC is harm for the eyes and skin. Please do not watch UVC directly or not let the skin approach to the UVCModel Power UV-C UV-C(%) Capacity Max.pressure Through flow Inlet &outlet adapter Cable length length CUV-211 11W 3.6W 85% 12000 L 0.3bar 1700 L/h 3/4-1-1/2 5m 323mm