The QT-2+ is a triple-cartridge water treatment system with three 15” Qwik-Twist cartridges, plumbed series/ parallel, that reduces sediment down to 0.5-microns, and reduces chlorine, taste & odor at a flow rate of 4.5 gpm for 45,000-gallons. The system includes a 5-micron pre-filter for added protection on water supplies with excessive dirt and sediment.