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 and comfort for up to 8 hours Permanent contact back mechanism which provides support whichever way the user moves Features gas height adjustment and inflatable lumbar pump to support the lower back Tested to BS 1335 2000 Part 2 certification Black nylon base with easy glide castors Black PU finish 2 year warranty