The seat is made from two layers of of polyurethane foam, a 1-1⁄2" layer of firm foam and a 1-1⁄2" layer of medium foam, assuring comfort when seated for long periods of time.
*Automatic Height Adjustment
The pneumatic height adjustment is activated by a 360° ring and adjusts from 17" to 22".
*Stability and Strength
5-legged, one-piece cast aluminum base is reinforced with cast-in welts for extra strength. Twin wheel casters offer extra stability and easy movement.