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Master Flow 24 in. x 24 in. x 24 in. Duct Board Plenum Kit
Master Flow 24 in. x 24 in. x 24 in. Duct Board Plenum Kit
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Duct Board Plenum Kit – R6.0 lets you easily create an air mixing chamber for your furnace before your ventilation system accepts it. The duct board reduces ventilation system noise and reduces condensation for improved performance. Its high 6.0 R-value provides thermal efficiency. Open bottom to attach to air system.