Professional High Back Chair with 2-to1 Synchro Tilt and Ratchet Back Height Adjustment [4211-OS - Ergonomic Task and Computer Chairs
Thick Padded Contour Seat and Back with Built-in Lumbar Support Pneumatic Seat Height Adjustment Ratchet Back Height Adjustment 2-to1 Synchro Tilt Control Height and Width Adjustable Arms with PU Pads Heavy Duty Nylon Base with Dual Wheel Casters
4211 - - 4211-OS