The motor creates maximum air flow and strong cleaning suction; air ducts fit snugly together for smoother air flow. The result? State-of-the-art vacuuming power with reduced noise. It's the only canister which Microseal™ Fresh Air Technology, which captures the ultra-fine particles that pollute the air. This assures you of thorough cleaning by providing maximum dust pick-up on floors, stairs and upholstery. The Precision's optimum performance sensor system automatically monitors the vacuum's cleaning performance to ensure peak efficiency. Convenient integrated accessories are thoughtfully stored for easy access. The cord automatically retracts to help make storage fast and easy.This canister comes with a full size nozzle and a lightweight nozzle both. The full size nozzle with wide cleaning path deep cleans all types of carpets. The low profile, lightweight nozzle is especially designed for bare floors. It's the best of both worlds in one vacuum cleaner. Microseal™ Fresh Air Technology. Optimum Performance Sensor system. Fingertip Electronic Controls. Integrated Cleaning Accessories. Automatic Cord Retrieval.