4 Pk Carbon Block Water Filter CTO Whole House RO DI Hydroponics 5 μm 10" x 2.5"

These Coconut Carbon Block filters provide an excellent cost-to-performance value. They have a high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines in your water. Fits ANY Standard Reverse Osmosis (RO) system and Any Standard 10" Housing.

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