CONCORD Stainless Steel False Bottom Set w/ Elbow Mash Tun (15.75") Each piece in this false bottom set is made from solid 304 Stainless Steel. Due to the universal domed shape design, it is compatible with any kettle. Folded stainless steel edges prevents scratching base of the kettle. Stainless Steel elbow is reinforced with additional o rings and nut underneath. You get everything you see in the photo.