
EC-301- Medium Back Comfortable Work Station Chair,Polyurethane Seat and Back,Polypropylene Back cover,Hydraulic Height Adjustment

EC-302 -Low back Comfortable Work Station Chair,Polyurethane Seat and back,Polypropylene back cover,Hydraulic height adjustment

EC-307 low-back arrange Workstation chair,with nylon base and arms and double wheel casters
