Independent tests show that the Soniclean Galaxy has more suction and cleans better than Dyson, Oreck and Shark.* The Soniclean Galaxy is the first and only vacuum cleaner to use sonic cleaning technology. Experience a new level of clean with the Soniclean Galaxy upright vacuum cleaner! The Soniclean Galaxy features a patented sonic bar located behind the brush roll that produces 200 vibrations per second of pure sonic cleaning power. The Soniclean Galaxy uses a high efficiency direct air "paramagnetic" motor that uses approximately 50% less electricity than most full size vacuum cleaners. These motors are extremely efficient, dependable, and engineered to last for many years under normal household use. The Galaxy carries a lifetime belt warranty! The Soniclean Galaxy also includes Sonicfresh; a fragrance dispensing system that releases a light refreshing scent of fresh folded laundry to keep your Soniclean smelling fresh and clean. The patented SEAL-TECH HEPA filter bag system is designed to capture allergens and microscopic particles. *Based on LMS 2012 Test Method regarding suction and average cleaning ability for particles 0.2-100 microns in size. Actual results may vary on carpet type and particle size. Dyson DC 41 Multi Floor, Oreck Graphite & Shark Rotator Professional.