2PK Premium Aquaboon 5mic Big Blue Carbon Block Water Filter Cartridge 20×4.5″ Aquaboon Premium 5 Micron Inch Replacement Carbon Block Water Filter Cartridge Features PREMIUM QUALITY COCONUT SHELL CARBON LONG FILTER LIFE (4-6 MONTH) FILTER IS NSF/ANSI 42 CERTIFIED AQUABOON MISSION STATEMENT Enjoy long-lasting coconut shell activated carbon water filters. It removes chlorine, taste and odor, other harmful industrial chemicals. 4 – 6 months / 20000 – 30000 gallons filter life (depending on the water quality). Replace to keep pleasant taste of your water. This carbon block is Tested and Certified by NSF International against NSF/ANSI Standard 42 for material requirements only. Certificate # C0548556. Aquaboon mission is to provide the highest quality of service and products in the water treatment industry. Aquaboon Premium 5 Micron Inch Replacement Carbon Block Water Filter Cartridge Features PREMIUM QUALITY COCONUT SHELL CARBON LONG FILTER LIFE (4-6 MONTH) FILTER IS NSF/ANSI 42 CERTIFIED AQUABOON MISSION STATEMENT Enjoy long-lasting coconut shell activated carbon water filters. It removes chlorine, taste and odor, other harmful industrial chemicals. 4 – 6 months / 20000 – 30000 gallons filter life (depending on the water quality). Replace to keep pleasant taste of your water. This carbon block is Tested and Certified by NSF International against NSF/ANSI Standard 42 for material requirements only. Certificate # C0548556. Aquaboon mission is to provide the highest quality of service and products in the water treatment industry. eBay integration by