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The Office Master OM5 Mesh Back Ergonomic Office Chair features a features patent-pending “body-activated motion” that automatically adjusts to the user. This ergonomic office chair has a ventilated PolyFlex back for superior comfort and support and offers a self-regulating design.

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Additional information

Weight 70 lbs
Dimensions 30 × 30 × 42 in

Office Master OM5 Mesh Back Ergonomic Office Chair


  • 16″ – 21″ Pneumatic adjustable seat height
  • Self-regulating design for easy operation
  • PolyFlex tailored slat back with a Zodiac Mesh cover
  • Ergonomically contoured foam seat with waterfall
    flex front that automatically adjusts to the user’s weight
    and position
  • Variable back resistance allows rollers in the seat and
    back to automatically adjust based on your body position.
    This feature provides optimal lower back support and
    promotes healthy motion
  • Body activated motion for better balance when reclining
  • 5 Leg base with soft casters
  • 12 Year Limited Warranty