Protect your home, health, and appliances by filtering your water with a carbon filter. The Express Water Activated Carbon Block Filter removes major contaminants from your water and provides clean water for home uses. The ACB removes major water contaminants like Chlorine, Total Organic Carbon (TOC), Pharmaceuticals, Turbidity, Volatile Organic Chemicals (VOC), Herbicides, Industrial Solvents, Insecticides, Pesticides, and Chemicals causing bad tastes, odors, and more. The ACB filter is good for up to 6 months. This is based on average water quality. Your carbon block filter life may be different depending on your water quality, temperature, and incoming pressure. Standard 10” size fits most under sink filters, reverse osmosis (RO) systems, UV, and Purifiers. Captures impurities with efficient tight packed carbon granules. Precision thermal bonded cap with industrial sealed silicon ring prevents leaks. Fast 1 GPM filtration. Outer layer is pure polypropylene. Carbon comes from vacuum heated, cleaned coconut husks. Choose the carbon block filter replacement that lasts longer to give you the best value in filtration. The Express Water Activated Carbon Block Filter FLTCAR0501C is the best in carbon filtration.