Photo 1 of Vent Systems 8" Inch to 4" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems

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Photo 1 of Vent Systems 8" Inch to 4" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation SystemsPhoto 2 of Vent Systems 8" Inch to 4" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems