Safco . FWS-1000-BL

Easy-adjust piston-release handles raise and lower the seat, allowing for widest range of postures from active sitting to leaning Tri-Flex Seat Cushion has built-in sitz bone contours and a waterfall edge for plush support and may help to reduce pressure points Supports leaning posture encourages a hip-to-torso range of 130 to 135 degrees which provides less pressure on your spine and connecting muscles when compared to standing Designed by Martin Keen