Ring for Black Berkey and BOROUX Foundation™ Black filters

Ring for Black Berkey- and BOROUX Foundation™ Black filter elements features:

• Ring (meets food safety requirements) used to seal the lower tray and upper tray of a Berkey or BOROUX water filter when attaching a Black Berkey or BOROUX Foundation™ Black filter element in the system
• Each set Black Berkey filter elements and BOROUX Foundation™ Black filter elements comes with rings as standard; so in case of loss or damage, you can also order them separately
• This ring is for use only with the Black Berkey filter elements or BOROUX Foundation™ Black filter elements and should be used in conjunction with a Wing nut for Black Berkey- and BOROUX Foundation™ Black filters
• This ring cannot be replaced by a ring from other types of filter elements