Activated Carbon (CAT-HAC)
Catalytic-High Activity Carbon removes free chlorine and most other volatile organic chemicals from the water.

Cation Resin (16% Cross-link)
Removes Calcium, Magnesium, iron, and many other hard water minerals. In the Pinnacle series we use a special high capacity 16% cross-link resin which is extremely chlorine resistant and also regenerates well with either sodium or potassium chloride.

Garnet
This finer filtering media next to the washed quartz base prevents other media from packing around the distributor and reducing the flow rate.

Washed Quartz
Provides a solid base for the media to rest upon, preventing channeling of the media and maximizing flow rates.