4 Inch to 3.5 Inch Dryer Hose Adapter by Skreelink | Download free STL model | Printables.com
Genuine White Knight Tumble Dryer Extra Long 4 METRE Vent Hose Adaptor Kit | eBay
Tumble Dryer Vent Hose Adaptor | eSpares
Dryer Vent Wall Plate Adapter Covers Area 7 inch with 4 Inch 8 ft Dryer Vent Hose, Dryer Vent Quick Connect Dryer Hose System Suit for Clothes Dryer, ...
SPARES2GO Universal Vent Hose Condenser Kit with 3 x Adapters for Tumble Dryer (1.2m)