Executive 3 lever mesh back operator chair with lumbar support Durable mesh back with breathable airmesh fabric seat Deep cushioned seat with waterfall front Built in adjustable lumbar support Features gas height adjustment, independent seat and back tilt, seat slide and weight tension control Supplied with height adjustable arms Black nylon base with easy glide castors Seat available in a wide range of colours The chair in black colour is stocked for next day delivery and is the lowest priced option 2 year warranty