Powertank Integrated UV System - For Variable Speed UnitsINSTALLATION & USEUV systems deactivate chlorine-resistant parasites such as Cryptosporidium and Giardia, and harmful bacteria like Legionella & E.Coli which may be present in some incoming water supplies.STAGE 1: FINE SEDIMENT REMOVALStage 1 is a 5-micron sediment filter cartridge with antimicrobial protection provided by a silver-based antimicrobial agent included in the plastic matrix with a specific technology. The filter housing also has antimicrobial abilities to prevent the build-up of bacteria and algae within the housing.STAGE 2: ULTRA VIOLET DISINFECTION UNITStage 2 is a Viqua UV disinfection system for the purposes of inactivation of bacteria and viruses in the incoming water supply. This UV system has an integral countdown timer to indicate when the UV lamp needs to be replaced. UV lamps degrade over time and must be replaced every 12 months.BENEFITS TO UV DISINFECTION Equipped to inactivate chlorine-resistant parasit