Strong Long Bosch Tumble Dryer Air Vent Exhaust Hose Pipe 4" x 2.5m/8ft Length 5057726118217 | eBay
Hotpoint Universal Extra Strong Tumble Dryer Vent Hose 4 Metre 5057285578231 | eBay
Amazon.com: 4Inch 10FT Long Flexible Aluminum Air Ducting, Heavy-Duty Black 4 Layer Dryer Vent Hose, Dryer Duct for HVAC Ventilation,duct fan systems, 2 Stainless Steel Clamps Include : Tools & Home Improvement