Luxurious high back ergonomic operator chair with pump up air lumbar support Conforms to BS 1335 (2000) Part 2 Extra large deep padded back with kidney foam shaping ensures good posture is maintained during the day Generously proportioned seat with waterfall front Features gas height adjustment, back height adjustment and weight tension control Asynchro mechanism means that backrest angle can be fixed or set to free float with additional seat angle adjustment Also features seat slide for seat depth adjustment Also available with fixed loop arms, height adjustable arms or folding arms Black nylon base with easy glide castors Choice of colour 2 year warranty