Made of heavy-duty cast iron, the powerful burners could output up to 75,000 BTU each. Rated Output: 354,000 total BTU/hr, for 18,000 BTU each 4 x Detachable legs. CAST-IRON BURNER. Note: The distance between the burner and the bottom of the pot cannot be shortened, otherwise it will lead to insufficient burning and excess flue gas 1 x Extension hose & regulator.
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