ThumperÈ Maxi Pro Oxygen Conserver Concentrators 5 (Both Sections) * Height: 8975 5 (Both Sections) * Height: 29 from 20 wheelchair height to 30 high * Hands Free foot control operation * 2 High Density urethane foam vinyl top * Steel frame and 4 corner legs have durable black powder coat finish * Legs have levelers for uneven floors * 4 Leg Authentic deep tissue massager originally designed for clinical use * Ideal for warming up muscles prior to Chiropractic adjustment * 8 massage spheres cover a broad area ideal for large muscle groups * A full body massage takes only 5 8 minutes * Designed to direct 95% of its energy into the patient 0 mm) * Class 1 FDA Medical Device *