Brewzilla 65L - 24L Boiler ExtenderThis can be added to a Gen 3 or Gen4 65L brewzillas without the need to get the extension for the recirc arm. Extension only needed if you want to use the bigger malt pipe also. Ever wanted to punch out a few more litres of wort with your BrewZilla 65L? Maybe you wanted more strike water for a super sticky batch. Maybe you get boil overs a lot and would like a bit of extra protection. Now theres a solution! The all new 65L BrewZilla boiler extension