The Rectangular Air Pad operates by continuously introducing air into the body of the dry powder to maintain fluid-like characteristics. Highlights include rugged construction, low cost, minimal maintenance, easy installation, and it adapts to almost any bin configuration. The booted Evasser aerator is compact, durable, and capable of aerating/fluidizing many types of bulk powders and granular solids in bins, hoppers, and silos. It operates by constantly presenting air to the mass of the stored material. It has no moving parts, no filters to change, and no loud noise or damaging vibrations. The bin aerator is also available with a convenient external mounting plate. Monitor Technologies LLC.