What type of stainless steel is used for the housing of the Berkey?

The stainless steel container on the Berkey is made from highly polished AISI (American Institute of Steel and Iron) 304 grade stainless steel. It is known for its heat and high corrosion resistant properties. The stainless steel does not contain lead. This type of stainless steel contains between 8 to 10.5% nickel. Read more about why Berkey uses Stainless Steel.