Ring for Black Berkey filter elements

Ring for Black Berkey filter elements features:

• Ring (meets food-grade requirements) used to seal the lower chamber and upper chamber of a Berkey water filter when attaching a Black Berkey filter element in the system
• Each set Black Berkey 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 and should be used in conjunction with a wing nut for Black Berkey filter elements
• This ring cannot be replaced by a ring from other types of filter elements