With the Viqua Sterilight S2Q-P/12VDC Model system you provide yourself one of the most sought-after brands in the UV industry. Viqua rigorously tests all its products to ensure they are of the highest standards. The Sterilight S2Q-P/12VDC Model is a 3 GPM point-of-entry system that renders chlorine-resistant parasites, bacteria and viruses such as Cryptosporidium, Giardia and E. Coli harmless. This system features the specially designed Sterilume- EX UV lamp, a lamp age indicator, audible lamp failure alarm, stainless steel chamber, and 12 DC voltage. This quality system is simple to install and maintain.