285-SYS
swivel office chair, height adjustable and tilt headrest, height adjustable high backrest, SYS synchronous mechanism with side tention adjustment, black nylon five-star base, large castors, pneumatic lift, (price does not include armrests)
285-SY
swivel office chair, height and tilt adjustable headrest, height adjustable high backrest, SY synchronous mechanism, black nylon five-star base, large castors, pneumatic lift, (price does not include armrests)