Tested and verified by NSF 42 & 372, it can remove CHLORINE taste and odor from your drinking water, resulting in fresh and tasty water. Made from Sri Lankan selected coconut shell carbon block, with 2x larger surface area and more micropores. Tracking the service life of filters with complimentary month install stickers. Filter Capacity - 200 Gallons / 6 Months. Twist and lock designed. Simple design provides easy, tool-free, no-mess filter replacement. It will be done in minutes. Each Clear Drop Gives Back, TEEHAY Filters save the cost of bottled water and cut back on plastic. FilterReplacement