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Onyx Posture Chair in Pimento Fabric

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£297.00 Exl.vat

The Onyx chair from Dynamic Office Seating is a posture chair that has been approved by a UK chiropractic doctor.  Onyx is a contemporary office chair that offers a range of inspired features including optional height adjustable headrest, independent back and seat tilt, contoured foam seat and back for extra support and comfort, height adjustable arms and brushed aluminium 5 star base.It is available in a standard Blue or Black fabric or Black leather and can also be upholstered in Bradbury's Omega Plus fabric of your choice! The Onyx chair is guaranteed for five years!


  • Posture chair - approved by a UK chiropractic doctor
  • High grade multi function mechanism
  • Multiple adjustments provide an accommodating seating experience
  • Independent back and seat tilt
  • Ratchet back height adjustment
  • Inflatable lumbar support
  • Seat slide to enable the user to adjust the seat depth as desired
  • Height adjustable arms
  • Contoured foam seat and back for extra support and comfort
  • BS 5852 fire retardent foam/fabric and tested to Crib 5
  • Bulit to EN5459
  • Optional adjustable headrest - product listed separately 
  • Brushed Aluminium 5 star base
  • Patented product
  • Gas lift tested up to 150kg
  • Usage: Task 24/7
  • Standard Blue or black fabric or black leather available from stock on next day delivery service. 
  • Other Onyx products listed separately
  • Please allow 5-10 working days for delivery due to the upholstery process
  • 5 Year guarantee

Additional Information

  • Seat Width:   460mm 
  • Seat Depth:   500-570mm 
  • Seat Height:   480-580mm
  • Seat Height on Bolster: 470-570mm
  • Overall Width:   610mm
  • Overall Depth:   670mm
  • Overall Height:   1240mm (1020mm without headrest)
  • Arm Height:   640-740mm
  • Back Height:   600mm
  • Back Width:   450mm

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