The VH410M-V Model is an 14 GPM point-of-entry system for homes or light commercial applications that renders chlorine-resistant parasites, bacteria and viruses harmless. This compact system features state of the art sensor technology for system feedback, 2X the UV-C output of standard low-pressure lamp technology, an EOL Timer that tells you when to replace the lamp, stainless steel chamber, and 120 AC voltage.