This tinman brand plenum is a rectangular galvanized steel box with dimensions 21.25 x 28 x 5.5 inches. It is compatible with various HVAC systems including ducted evaporative cooler, packaged/rooftop furnace, ductless mini split air conditioner, outdoor wood furnace, underfloor heating system, dual fuel split air conditioning system, heat pump split system, packaged/rooftop air conditioner unit, central furnace, whole house air conditioner & heater, central air conditioner, wall heater, and central heating radiator. This plenum also features updraft and downdraft installations, making it a versatile addition to any HVAC system. The unit quantity is 20, making it perfect for large-scale projects.
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