The Model MFD Micro Fluidizer Disk combines aeration and vibration to solve the most difficult bulk solid flow applications. The micro disk is half the size of standard disk, capable of fitting into tight locations. The special design creates a vibration as the air flows between the pads boot and bin wall. This provides a very effective flow aid for all types of dry products, plus the MFD does not require a specific air pressure for operation. Your pneumatic system pressure can range from 29 psi to 87 psi.