ErgoWave IST Intersegmental Massage TableUnique Wave Action The ErgoWave roller pattern travels up the spine like a wave. All areas of the patients spine are covered with three independent rollers repeating every 13 seconds.Triple Rollers mounted on three axles to isolate lumbar, thoracic and cervical regions Quick Height Adjustments A gas spring makes roller height adjustments quick and easy Contemporary Design Sleek European lines will complement any office decor Ultra Quiet Operation - High quality motor for nearly silent operation without annoying Storage Shelf Low Maintenance design eliminates service points. No routine maintenance required.A welded steel frame ensures stability Fixed height of 24" Length: 78" Width: 25" Treatment Area: 25"Capacity: 350 lbsRoller height adjustment: 3"Cycle time: 13 secondsRoller Rotation: Counterclockwise1 year warranty ETL listed, cETL listed Shown with optional leg bolster (sold separately).