8 Inch to 4 Inch Duct Reducer Increaser Galvanized Steel Air Duct Adapter Round Crimped Pipe Connector Fitting Coupling for HVAC Ventilation Systems 1 8 Inch to 4 Inch
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MSRP: $26.99
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Features: Works seamlessly with round ducts in HVAC, kitchen exhaust, dryer vents, and machinery exhaust systems. The 5 inch to 4 inch air duct reducer is a practical adapter for retrofitting and upgrading ductwork. Rugged construction resists dents, UV
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MSRP: $26.99