The Tinman Supply/Return Air Duct Plenum is a rectangle-shaped galvanized steel component designed for updraft and downdraft installations in HVAC systems. With dimensions of 19 3/4 x 23 3/4 x 24 long, this plenum is compatible with various products such as ducted evaporative coolers, packaged rooftop furnaces, and mini split air conditioners. Its durable construction and versatile design make it an essential part of heating and cooling systems for businesses and residential properties.
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