Teknik Ergo Comfort AirPosture control and comfort go hand in hand and when choosing your next office chair this is something that should be taken into consideration. Any office chair with included lumbar support should be making your shortlist if back support is something that you require, and the Teknik Ergo Comfort Air takes this to the next level. For the ultimate in back support, a lumbar support option is excellent but the Teknik advanced solution is better. The lumbar support included in this chair is adjustable thanks to the hand operated air pump. This pump allows the lumbar support portion of the chair to be inflated according to the user’s individual needs. The rest of the chair is just as comfortable, with the generously padded and proportioned seat. With an adjustable tilt on both the backrest and the seat, the user can adjust the chair to their exact requirements. This includes, of course, the height of the seat via a gas lift mechanism. The Teknik Ergo Comfort Air chair comes with a recommended maximum user weight of 150 kg which is equal to 23 stone or 330 pounds. User assembly is required but the included instructions will help you to get the chair up and running in just a few minutes. Ergonomic high back executive operator chair Pump up lumbar support Certified for 24 hour use (BS5459-2: 2000) 4 lever asynchronous mechanism Seat slide Forward ergo tilt seat Posture curve backrest Back angle and height adjustment Gas lift seat height adjustment 150 kg rated gas lift Requires easy self assembly Available from stock in blue or black fabric Chair only, arms not included Dimensions : Seat Height 52-64 cm Seat Depth 47 cm Seat Width 50 cm Back Height 57 cm Back Width 47 cm