Watts QTCM15

This Hydro-Safe QT replacement filter cartridge, QTCM15, is designed for the QT Cube Max multi-stage filter system. It measures 15 inches long and is rated for 1.5 gallons per minute service flow rate. This cartridge contains a 0.5 micron carbon block sleeve to reduce sand, silt, sediment, and rust, as well as chlorine tastes and odors. A special long life polyphosphate material is incorporated into the cartridge to reduce scale formation and protect against corrosion. This cartridge has a 20,000-gallon life expectancy for chlorine reduction.