**DELTA Plus Comfort Duo Extra High Back is discontinued and now superceded by the DELTA 135 Extra High Back**
As well as the upgraded Extra High Back it comes standard with a 135kg weight rating and a comfort duo seat. This "split seat" feature is designed to slightly open the users pelvis to promote a straighter sitting position for excellent comfort.
The chair features a ratchet back, seat height, seat tilt & back tilt adjustments.
Delta Ergo Office Chair Product Brochure
Comfort Duo Explained