This chair has a medium-backrest and has two levers. One for height adjustment and for back adjustment. The seat has a fixed angle.
Backrest Height: 360mm
Seat Depth: 480mm
Seat Width: 470mm
Spectrum 3 Chair, 500 seat and Seat Slide
Spectrum 2 chair with Height adjustable arms is a 2 lever chair which has a powerful lumbar support