Alvin Black Premo Drafting Height Ergonomic Chair

Description

Ergonomic features in a rugged contemporary design, this is the ultimate in seating comfort at a reasonable price.Backrest provides solid orthopedic spine support and full-size upholstered seat is contoured for added comfort.Features include pneumatic height control, polypropylene seat and back shells, a height- and depth-adjustable backrest with heavy-duty spring tension angle control, dual-wheel casters, and a 25″ diameter reinforced nylon base.Seat cushion is 19″w x 17″d x 3″ thick.Backrest is 16″w x 14″h x 2 1/2″ thick.Includes ck49 height extension kit and adjusts from 24″ to 29″.Warning: this product contains “carbon black” chemicals, including lead, known to the state of california to cause cancer.For more information go to: http://www.P65warnings.Ca.Gov/