Convert your smaller round cooler to a mash tun with this stainless steel 9 in. diameter false bottom! This stainless steel domed false bottom is perfect for smaller round cooler and kettles that can accommodate a 9 in. diameter false bottom. It comes with an assembly that has a 3/8 in. barb in the center. You can use some 3/8 in. high temperature tubing and clamps to clamp to a ball valve, allowing control of liquid. Perfect for a number of uses!