BIG BLUE WATER FILTER/CARTRIDGE KDF55/GAC 4.5" X 20"

BIG BLUE 4.5 X 20" KDF55/GAC Coconut Shell WATER FILTER/CARTRIDGE.

REDUCES chlorine taste and odor, water-soluble heavy metals, and controls scale, bacteria, and algae in your water.

KDF is a patented medium that consists of high purity copper-zinc granules that use redox (exchange of electrons) to effectively reduce chlorine and heavy metals as well as controlling microorganisms in potable water.