Photo 1 of PATIKIL 4" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black

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Photo 1 of PATIKIL 4" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, BlackPhoto 2 of PATIKIL 4" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black