| Pneumatic seat height adjustment allows quick and easy adjustment that regulates height of chair relative to floorBack height adjustment allows positioning of lumbar support within a fixed range to alleviate back stressSeat depth adjustment positions chair back relative to seat to reduce pressure on the buttocks and thighs for both taller and shorter usersChair rotates a full 360° in either direction for ease of motionBack tilts with pressure allowing user to recline while keeping seat cushion level to floor Dimensions: Seat Size: 19″w × 18¾″d × 4″tBack Size: 17½″w × 16″h × 4″tOverall Max: 41½″h × 19″w × 24¼″dSeat Travel: 5″ |