The Mist stainless steel faucet filtration system utilizes an Activated Carbon Fiber (ACF) Filter to give you clean and healthy water. ACF has been proven to be 10-12 times better than ordinary carbon. It will effectively filter chlorine, unpleasant taste and odor while retaining beneficial minerals in the water. The system will meet your need for clean water with a 320 gallon service life, three times longer than other brands.