Photo 1 of PATIKIL 250mm/10" Duct Connector, Galvanized Steel Duct Coupling Vent Coupler Dryer Pipe Coupling Hose Extension Connector with Duct Clamps for HVAC Exhaust Fan Vent Systems, 4" Long

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Photo 1 of PATIKIL 250mm/10" Duct Connector, Galvanized Steel Duct Coupling Vent Coupler Dryer Pipe Coupling Hose Extension Connector with Duct Clamps for HVAC Exhaust Fan Vent Systems, 4" LongPhoto 2 of PATIKIL 250mm/10" Duct Connector, Galvanized Steel Duct Coupling Vent Coupler Dryer Pipe Coupling Hose Extension Connector with Duct Clamps for HVAC Exhaust Fan Vent Systems, 4" Long