To provide a slit pipe for installing or transporting device utilizing compressed air which has excellent airtightness and a high strength, so as to improve the performance and operational efficiency of an installing or transporting device utilizing compressed air.

In an installing or transporting device utilizing compressed air which is supplied to a slit pipe 1 to move an internal moving body provided in a slit pipe 1 and an external object connected to the internal moving body, the slit pipe 1 is constituted in a double structure composed of a slit pipe main body 11 which has such a strength that can withstand the pressure of the compressed air supplied to the pipe 1, and an inner slit pipe 14 which is provided in the main body 14 to cover the inner peripheral surface 12 of the main body 12 and the end section 13 of a slit 2 formed through the main body 11, and which has elasticity to maintain the inside of the pipe 1 in an airtight state.