Grahl Duo-Back 11
This chair comes with seat slide and seat tilt as standard.
Select this option to get the most from your purchase. One of our highly trained IST team will deliver the chair, show you what the knobs and levers do, explain good posture and demonstrate how to adjust everything for maximum comfort so that you can do it yourself in future.
A unique, two-part back rest that reduces pressure on the spine.
The Grahl Duo-Back® 11 has a unique, two-part back rest which reduces pressure on the spine by up to 50%. The back rests are independently mounted, moving and flexing with the user. This dynamic movement has positive effects on the back muscles, metabolism, blood circulation and nervous system.
- Streamlined design features a partially upholstered back.
- Unique, patented back design supports the spine without direct contact.
- Width-adjustable pads move in 3 dimensions and reduce pressure on the spinal column by up to 50%.
- These chairs are made to order and delivery may take up to 6 weeks.
Please look at our comprehensive list of Chair Features & Benefits
|Free Float (Rocking) Feature||Standard|
|Seat Tilt Adjustment||Standard|
|Independent Back Angle Adjustment||No|
|Adjustable Lumbar Support||No|
|Height Adjustable Arm Rests||Option|
|Width Adjustable Arm Rests||Option|
|Depth Adjustable Arm Rests||Option|
|Independently Adjustable Head Rest||Option|
|Independently Adjustable Neck Rest||No|
|Suitable for Clean Room||No|
|ESD (Anti Static)||No|
|Suitable for 24 Hour Use||No|
Part Number: GL-DB11
|Type (Low, Medium, High Back, Spilt Seat/Back)||Split Back|
|Weight (Packed) (kg)||24|
|Weight (Un-Packed) (kg)||19|
|Seat Height Adjustment (Y/N/O)||Y|
|Back Height Adjustment (Y/N/O)||Y|
|Maximum Weight Capacity||117kg - 18.5 Stone|
|A - Back Height (mm)||480-560|
|B - Lumbar Height (mm)||NA|
|(B) - Pelvic Support (mm)||NA|
|C - Chair Arm Height (mm)||130-235|
|D - Seat Depth (mm)||380-425|
|E - Seat Height (mm)||450-580|
|F - Seat Width (mm)||490|
What our customers say
"It was a great day and I found it really useful. Was expecting to just need a refresher, but learnt a lot of new tips and tricks."
Simon P Garcia of Freedom Ergonomics & Wellbeing on Workplace Postures & Seating and Options for Reasonable Adjustments courses