Includes;
- 1- Washer for Doulton, British Berkefeld, Berkey Super Sterasyl gravity water filters.- NOT for Black Berkey Elements
- 1- Wingnut for Doulton, British Berkefeld, Berkey Super Sterasyl gravity water filters.- NOT for Black Berkey Elements
- 1- Blocking Plug for for Doulton, British Berkefeld, Berkey Super Sterasyl gravity water filters.