Tall Height ESD Polyurethane Chair, Black, Polished Aluminum Base, Articulating Seat & Back Tilt

Design to safely discharge static |Waterfall seat aids lower body circulation Handle in backrest makes moving chair effortless Fully adjustable contoured back Easy to clean with nonslip surface Meets ANSI/ESD STM12.1 2013 standards|Pneumatic height adjustment allows easy seat height changes from 20.5" - 30.5"|Three-way seat and back height adjustment|These ergonomic designed, static control chairs feature six grounding points, ESD glides, and a brass drag chain to safely reduce and discharge static. The rugged polyurethane seat and back resists stains and damage from punctures, grease, water, and chemicals. The chairs have a 360 swivel and pneumatic seat height. Ventilation ribs increase air circulation and comfort. The contoured back is fully adjustable encouraging proper spinal alignment, while the convenient handle makes moving the chair effortless. The sturdy five-legged base is available in a polished aluminum with mushroom glides. Pneumatic cylinder has a lifetime guarantee. Optional casters are sold separately and add an additional 1" to the chair height. |This articulating seat/back tilt model features three-way seat and back height adjustments for increased comfort during extended sitting durations. Also includes a 27" polished aluminum base and 18" adjustable chrome footring.