Ring for Black Berkey and BOROUX Foundation Black filters

Ring for Black Berkey and BOROUX Foundation™ Black filter cartridges – features:

• A ring (which complies with food safety requirements) used to seal the lower chamber and the upper chamber of a Berkey or BOROUX water filter when fitting a Black Berkey or BOROUX Foundation™ Black filter cartridge into the system
• Each set Black Berkey filter cartridges and BOROUX Foundation™ Black filter elements It comes with rings as standard; so if they get lost or damaged, you can order them separately
• This ring is intended for use only with the Black Berkey filter cartridges 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 with a ring from other types of filter elements