The Pure T Replacement "EZ-SLIM" Granular Activated Carbon (GAC) Filter serves as the second stage on the Pure T 50/75/100 GPD "EZ SLIM" Five-Stage Reverse Osmosis Systems. It's made of high-quality granular activated carbon, and it reduces chlorine, taste, odors, and other contaminants. It should be replaced every six to twelve months, depending upon depending on usage and water quality.

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