Mash Tun False Bottom - Bev Rite CSS921 Domed Stainless Steel, Universal FitThis domed false bottom fits tightly into the bottom of your brew kettle, leaving just enough room for the grain bed below. Made with high grade perforated stainless steel. Choose the appropriate size for your kettle. False bottoms are essential for All Grain Brewing. A false bottom lays in the bottom of your Mash Tun preventing grain from leaving while letting your wort flow freely to your boil kettle. Our selection of false bottoms fit any homebrew