This supply air duct plenum is made of galvanized steel, with a gauge of 26, and measures 21 inches by 21 inches by 12 inches long. It is suitable for use in HVAC and refrigeration systems, specifically for plenum and filter boxes. The brand is unbranded/generic, and it is manufactured in the United States. The product's UPC code is not applicable. The material used in this supply air duct plenum ensures its durability and longevity, making it a reliable choice for your HVAC and refrigeration needs. The plenum is designed for easy installation and use, and its dimensions make it suitable for a range of applications.
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