Point of use filtration for good tasting, crystal clear water - Reduces chlorine, chemicals, dirt, rust, sediment and silt.

Keystone's HPT™ cartridges combine the highest chlorine reduction capacity with the lowest pressure drop for excellent taste and odor control. Engineered using the finest coconut shell activated carbon, HPT cartridges are made to the highest standards of the Water Quality Associations's Gold Seal Program.

These cartridges feature: