Duo Back 11 office swivel chair

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Features:

• vertically split backrest with independently movable backrest elements
• integrated lumbar supportusing the "duo-back principle
• suitable for a user weight of 45 kg to 125 kg
• without armrests
• Polished aluminum base, 5-armed
  with Ø 65 mm smooth-running double castors for soft floors (hard castors)
• Seat and back upholstered with 50 mm molded foam
• Backrest 430 mm high,
  as a front upholstered backrest with plastic cover on the back,
• Backrest height adjustable by 70mm
• Backrest width adjustable from 390 mm to 440 mm
• with synchronous mechanism with a movement ratio of 1:2.7 and an opening angle of 23°,
  including the option of locking the backrest in four positions
• Seat height continuously adjustable from 400 mm to 520 mm using gas pressure spring
• Seat depth suspension
• Seat depth adjustment by sliding mechanism from 370 mm to 410 mm
• Seat tilt adjustment from 0° to -4

Dimensions

• Seat width: 460 mm
• Seat depth: 400 - 450 mm
• Seat height: 400 mm to 520 mm
• Overall height: 930 mm to 1,150 mm
• Overall width: 710 mm
• Total depth: 710 mm
• Backrest height: 430 mm

Cover fabric:

• 100 % recycled flame-retardant polyester,
  100,000 abrasion cycles, flame-retardant in accordance with DIN EN 1021-1 and 1021-2

The color of the upholstery fabric can be selected via "Color / Size". Here color: Osumi

Optional additions:

• 2D armrests, height and width adjustable
• 4D armrests, height, width and depth adjustable, 360° swivel function
• Headrest, height/tilt-adjustable
• Infinitely adjustable gas pressure spring for people under 160 cm tall
• Infinitely adjustable gas pressure spring for people over 190 cm tall

Optional additions (included here in the GB):

• 4D armrests, height, width and depth adjustable; 360° head/neck support
• head/neck support, height/tilt adjustable