The Fuselex Master Filter delivers the best results, every time. Made of 304 Grade Stainless Steel, and designed for the home brew industry, this filter is the best money can buy. Using 350 grams of Granulated Activated Carbon, (GAC), you get maximum contact time with your beverage, ensuring efficient and effective removal of taint and smell, including chlorides from municipal water. You re not locked into buying a specific brand of carbon, nor do you need to worry about plastic parts being dissolved into your beverage. You can expect this filter to last a life time.