A cage to surround the flue pipe above the heater. It increases the stone capacity and hides the plain pipe, and increases the heater's efficiency. It is placed on top of the heater that is full of rocks, and is then filled, thus adding to the total quantity of stones by 66 lbs (30 kg).

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Use collapsible tabs for more detailed information that will help customers make a purchasing decision.

Ex: Shipping and return policies, size guides, and other common questions.