产品描述：
Executive High Back Operators' Chair
High back operator chairs. Deep foam cushioning on seat and back. Integral lumbar support.
Three lever asynchro mechanism. Material: Pyra. Medium fire retardancy. Guaranteed for two years. Optional accessories include fixed or adjustable arms.
Colours: charcoal and royal blue.
Dimensions:
Seat: D450 x W490mm.
Back: H510 x W455mm.
Seat height: 450 - 580mm.