Universal Tumble Dryer Condenser Vent Kit Box with 4inch/102mm Diameter Hose for indoor use by Hume Premium (1 meter hose length, Adapters to fit most models) : Amazon.co.uk: Large Appliances
Tumble Dryer Condenser Kit | Homebase
Universal Indoor Condenser Condensing Square Type Tumble Dryer Vent Ki — bartyspares