- Blocking plug to block any unused filter holes in the upper chamber of all stainless steel Berkey systems.
- Fits all stainless steel Berkey systems including the Go Berkey, Travel Berkey, Big Berkey, Royal Berkey, Imperial Berkey and Crown Berkey.
- All stainless steel systems come standard with the proper amount of blocking plugs; in case of loss or damage, plugs may be purchased individually on this page.
- Blocking plug comes with wingnut and 2 washers.
- These plugs will not fit the Berkey Light system.