Photo 1 of Vent Systems 8" to 4" Inch Duct Reducer Adapter – Galvanized Steel HVAC Transition Fitting – Heavy-Duty Cone Connector for Round Pipe – For Ventilation Systems, Exhaust Setups, Indoor Ducting Projects

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Photo 1 of Vent Systems 8" to 4" Inch Duct Reducer Adapter – Galvanized Steel HVAC Transition Fitting – Heavy-Duty Cone Connector for Round Pipe – For Ventilation Systems, Exhaust Setups, Indoor Ducting ProjectsPhoto 2 of Vent Systems 8" to 4" Inch Duct Reducer Adapter – Galvanized Steel HVAC Transition Fitting – Heavy-Duty Cone Connector for Round Pipe – For Ventilation Systems, Exhaust Setups, Indoor Ducting Projects