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
EC-312 low-back organize Workstation chair,with nylon base and arms and double wheel casters