The Tinman Supply Air Duct Plenum is a rectangular-shaped, galvanized steel unit measuring 20 x 16.5 x 36 inches with 1-inch insulation. It is designed for both updraft and downdraft installations and is compatible with a variety of HVAC products such as ducted evaporative coolers, packaged rooftops, mini-split air conditioners, and more. This plenum is perfect for providing efficient supply air circulation in various heating and cooling systems, making it a versatile accessory for any HVAC project.
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