Aries (Af-10-2012) 10" x 2.5" (2 lb) KDF-55-GAC Filter Watts (W2540-TW) Tap Water Membrane 800 GPD 2.5" X 40" If you notice scale returning

If you notice scale returning to fixtures or appliances

Unlike traditional softeners

reverse osmosis pre- or post-filters

it allows safe testing of control valve circuits

This is a replacement cartridge for existing Omnipure Q-Series filter heads

Aries (Af-10-2012) 10" x 2.5" (2 lb) KDF-55-GAC Filter Watts (W2540-TW) Tap Water Membrane 800 GPD 2.5" X 40" If you notice scale returningAries Filter Works Professional Water Treatment Aries AF 10 2012 10" x 2. 5" KDF 55 GAC Specialty Filter High capacity redox filtration with 2 pounds of KDF 55 and Activated Carbon for comprehensive chlorine, heavy metal, and taste & odor removal KDF 55 + GAC blend 18,000 gallon capacity Bacteriostatic protection Chloramine reduction The Aries AF 10 2012 combines 2 pounds of KDF 55 redox media with granular activated carbon in a standard 10" x 2. 5"