The Pure T Replacement "EZ-SLIM" Carbon Block Filter serves as the third stage on the Pure T 50/75/100 GPD "EZ SLIM" Five-Stage Reverse Osmosis Systems. It's made of high-quality coconut shell granular activated carbon, and it further reduces unpleasant taste and odors and removes residual chlorine and organic chemicals. It conditions the water before it goes into the RO membrane and should be replaced every six to twelve months, depending upon depending on usage and water quality.

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