Gold Seal of Approval Carpet and Rug Institute tested for soil removal, soil containment and carpet wear.Red Carpet Service Plan- Offered at participating retail stores, this scheduled maintenance keeps the vacuum running at its best.Six-Position Carpet Height Adjustment From extra-low to extra-high, select a setting for your specific pile height.Tandem Air Technology Two motors work in tandem for the ultimate combination in-floor cleaning and tool suction.Metal Brushroll with Replaceable Brushstrips A strong metal roller is designed to perform well and to last for many years. As you expect, brush strips are replaceable and are customizable to your home floors. Self-Sealing HEPA Media Bag Meets HEPA filtration standard of 99.97% efficiency at 0.3 microns. Self-sealing bags are simple to attach and remove for clean disposal.17-Foot Cleaning Reach A longer hose with balanced design stretches further without tipping the vacuum.Surface Selector With the flip of a switch, transition from deep carpet cleaning to gentle bare floor cleaning. Hall Sensor and Lifetime Belt Protection Breaking a belt is a thing of the past with Hall sensor technology. When it senses a jammed condition, the brush roll stops until the jam is cleared. Then its back to vacuuming like nothing ever happened. HEPA Media Filter Keeps particles trapped in the filter instead of blowing them back into the room. Charcoal Filter Absorbs pet odours through a foam charcoal filter.Full Bag Indicator. A light reminds you when to replace the bag.