To provide the air cleaner hose which is excellent in vibration absorptivity, heat insulating properties and noise eliminating properties, and also provide its forming method.

This invention is concerned with the air cleaner hose 1 disposed in the suction system of an engine, the air cleaner hose 1 is composed of an inner tube 3, and of an outer tube 22, and concurrently has an air chamber 10 in a ring shape in cross section for heat insulation and noise elimination between both the tubes. The inner tube 3 has a communication hole 310 to be communicated with the air chamber 10, and also are provided with a bellows shaped part 32 for the portion other than portion where the communication hole 310 is formed. On the other hand, the outer tube 2 is provided with a bellows shaped part.