Mini Wood Burner great for miniature Wood Burner is 3 1/2 inches times 3 1/2 inches to go inside my 4 inch wood burner bodies see my other listings for miniature Wood Burner. this greats are simply to sit in the bottom of the Burner on the bottom to extend the life of the Burner minimal airflow will be gained from this great it is simply to increase the life of the wood burners.
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