Black Berkey Replacement Wingnuts

• Custom food-grade wingnut used to secure the Black Berkey Purification Element to the system
• Each set of Black Berkey elements comes standard with a wingnut; in case of loss or damage, a replacement may be purchased individually
• This wingnut is only for use with the Black Berkey Purification Elements and is used with the Black Berkey Element washer
• Wingnut is not interchangeable with the white Berkey Earth or Super Sterasyl Ceramic filters