This supply/return air duct plenum is made of galvanized 26 gauge and comes with two caps. Measuring 14 inches by 18 inches by 40 inches, it is perfect for HVAC and refrigeration systems in industrial settings. The plenum is designed to fit unbranded/generic equipment and is made in the United States. This plenum is ideal for those in need of a high-quality air duct that meets their needs. Its construction ensures durability and longevity, and its design allows for easy installation. Whether you are looking to upgrade your current system or install a new one, this plenum is an excellent choice.
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