• Posture chair – approved by a UK Chiropractic Doctor • Height adjustable ratchet backrest with pump up lumbar support • Contoured foam seat and back for extra comfort • Triple lever independent mechanism • Independent seat and backrest tilt angle adjustment • Seat slide • Polished chrome 5 star base • Tested to BS 5459-2 • Gas lift tested up to: 150 kg • Usage: Task 24/7