Medium Berkey Base for Big Berkey System The Berkey Base adds design and function to your stainless steel Berkey System. Each polished stainless steel wire stand is 5” tall and allows you to easily fit a glass or cup under the spigot. The feet are made of a non-marking, non-marring rubber that is bonded to the stand for added durability and stability. The stands are available in 4 sizes, designed to fit each stainless steel Berkey System.