This HVAC return air box plenum is made of galvanized steel with a 26-gauge thickness. The rectangular shape measures 32 x 16 x 3 inches, with a 16-inch collar for easy installation. The plenum is compatible with a variety of HVAC systems, including ducted evaporative coolers, packaged/rooftop furnaces, and central air conditioning units. The features of this plenum include both updraft and downdraft installation options, making it versatile for different HVAC setups. It is suitable for use with ductless mini split air conditioners, outdoor wood furnaces, underfloor heating systems, and more. This plenum is an essential part of any HVAC system and is a reliable choice for both residential and commercial applications.
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