Patented self-adjusting, self-leveling brush and vacuum shoe for easy cleaning of all carpet lengths and uneven floors plus longer brush life. Full compliment of optional accessories attaches to back of unit for cleaning upholstery, stairs, etc. Handle adjusts to operator height and folds down for easy storage. Patented lift-off bucket with bladder makes filling and empltying incredibly easy. See-through recovery dome. Side extension for cleaning rght to baseboards. Upright- mounted motor and intercooler system combine for long-lasting operation