The product is a rectangular plenum made of galvanized steel with a 26 gauge thickness. It has dimensions of 20 x 20 x 24 inches and can be used for both updraft and downdraft installations. The plenum is compatible with various HVAC systems, including ducted evaporative coolers, packaged/rooftop furnaces, and central air conditioners. The product is sold in a unit quantity of 20.
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