Air Slide without the use of moving parts, these gravity conveyor transport fine, dry bulk materials, with a minimum of abrasive wear on the conveyor. Dry materials flows down inclined conveyor, fluidized by low-pressure air entering beneath porous medium. The Air Slide conveyor is easily installed , with simple floor or overhead support which released valuable floor space for other used. Operation is dustless and noiseless with extremely low power consumption. Conveyor line needs no lubrication ,and is self-cleaning ,so there is almost no maintenance