FIND A SPARE Tumble Dryer Vent Hose Connector 4'' inch Diameter & 6m Lenght For All Makes And Models : Amazon.co.uk: Large Appliances
4" Inch 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, T Shape, T Joint, Y Shape (5" Inch // 125mm Metal) : Amazon.co.uk: DIY & Tools