This supply air duct plenum is made of galvanized steel with a thickness of 26 gauge and measures 20 x 24 x 30 inches. It is compatible with a wide range of HVAC and refrigeration products, including ducted evaporative coolers, packaged/rooftop furnaces, and central air conditioners. The plenum features both updraft and downdraft installation options and is designed for use with a variety of heating and cooling systems, such as wall heaters, central heating radiators, and heat pump split systems. Its rectangular shape and sturdy material ensure reliable performance and a long lifespan. Whether you're a professional HVAC technician or a DIY enthusiast, this plenum is a versatile and durable choice for your next project.
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