This have a smooth inside diameter as well as strength and durability. This is light weight and designed for maximum air flow and can be used with wide range of Blowers, Portable Evacuaters, Fans, Printing Machines and Dryer Machines for both Positive and Negative Pressure. A Weather Resistant Hose.

38 mm to 1000 mm dia. in 4 to 10 Mtrs. Lengths