Berkey Screw-in style Heavy Duty blocking plug (each)

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Same as originally supplied with:
  • Royal Berkey
  • Imperial Berkey
  • Crown Berkey


  • Blocking plug to block any unused filter holes in the upper chamber of larger stainless steel Berkey systems. 
  • Fits all stainless steel Berkey systems including the Go Berkey, Travel Berkey,  Big Berkey,  Royal Berkey,  Imperial Berkey, Crown Berkey, and British Berkefeld models.
  • All stainless steel systems come standard with the proper amount of blocking plugs; in case of loss or damage, plugs may be purchased individually
  • Each locking plug comes with a wingnut and 2 washers
  • Not recommended for the Berkey Light system
  • Sold as each

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