Dont wait for winter Galvanized Heating / Air Ducts

8 -- 12`` X 8`` to make boxes 32" long
8 -- 20" X 8" to make boxes 32" long
Used for forced air furnaces, air conditioning, hvac, return, supply, venting, etc. Use for a outdoor fire place flew, or pizza oven even a wood fired hot tub, sauna, grow room etc. I`ve seen all kinds of cool things you can do outside with these types of materials.
Don`t know exact gauge, but they are thicker than most the flim flam they sell these days.
$350 obo
sheet metal duct
fireplace, fire place pit, outdoor pizza oven, growroom