With Viqua Sterilight Model SC1 system you give yourself one of the most sought after brands in the UV industry. Viqua tight test all products to ensure they are the highest standards. The Sterilight SC1 models is 1 GPM point-of-use of a system that makes the chlorine-resistant parasites, bacteria and viruses like Cryptosporidium, Giardia and e. Coli are harmless. This system features a specially designed Sterilume-Ex UV lamp, indicator lamp L/electric