Pneumatic Lab Stool, Backless, Supports Up To 250 Lb, 17″ To 22″ Seat Height, Black Seat, Chrome Base

Pneumatic lift adjusts to accommodate different workstation heights. Generously cushioned seat for added comfort. Long-wearing upholstery stands up to everyday wear-and-tear and easy to clean vinyl for easy maintenance. 360? swivel helps to support movement throughout the day, which may help support better circulation and ease pressure points.