Physio approved PU ergonomic operator chair with inflatable lumbar support A sturdy chair that provides comfort without the hefty price tag Curved foam back offers full contact & comfort for up to 8 hours Permanent contact back mechanism which provides support whichever way the user moves Features gas height adjustment & inflatable lumbar pump to support the lower back Tested to BS 1335 2000 Part 2 certification Supplied with fixed armrests Black nylon base with easy glide castors Black PU finish 2 year warranty