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Ergonomic Office Chair with 4D Armrests H2288

Reclaim your comfort and boost productivity with the ergonomic office chair with 4D armrests h2288. Featuring an innovative lumbar-back separation design and a breathable imported mesh, this chair keeps you cool and supported all day long. With a height-adjustable headrest, versatile 4D armrests, and an intuitive line-control mechanism, you can easily fine-tune your sitting posture for ultimate spinal alignment. The convenient built-in coat hanger keeps your workspace tidy and professional.

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  • Ergonomic Support & Dynamic Adjustment
    The Ergonomic Chair 438 is meticulously engineered to provide ergonomic support for the modern worker. Its core features an independent lumbar-back separation design, which supports each region of the spine individually. The self-adjusting tension lumbar support automatically adapts to your lower back’s movement, ensuring consistent comfort throughout your work sessions.

 

  • Ultimate Breathability & Customization
    The entire seat and back are upholstered with premium imported mesh, delivering superior ventilation to keep you cool even during long hours. For personalized comfort, the 4D PU armrests allow for independent height, angle, fore-aft, and lateral adjustments. The seat depth can be easily adjusted via the line-control mechanism, accommodating different body sizes and leg lengths. 
  • Frame (Headrest, Back, Seat): High-strength Nylon + Fiberglass (New material)

  • Back Frame Support: Polished Aluminum Alloy

  • Upholstery: Premium Imported Special Mesh (Full mesh back and seat)

  • Armrests: High-resilience 4D PU (Polyurethane)

  • Gas Lift: Class 4 Explosion-proof Gas Lift Cylinder

  • Base: 350mm Aluminum Alloy Square Leg

  • Casters: 60mm Silent PU Casters (Passed BIFMA X5.1 test)

     Dimensions:

  • Overall Height: 112 – 129 cm

  • Overall Width: 66 cm

  • Backrest Height: 73 – 82 cm

  • Backrest Width: 55 cm

  • Seat Height: 43 – 52 cm

  • Seat Depth: 51 cm

  • Seat Width: 51 cm

  • Armrest Height (from floor): 63 – 78 cm

  • Armrest Width (Inner distance): 17 – 24 cm

  • Base Diameter: 68 cm

     Functional Features:

  • Headrest: Height & angle adjustable, built-in coat hanger

  • Backrest: Height adjustable; Lumbar-back separation design

  • Lumbar Support: Auto-tension & self-adjusting

  • Armrests: 4D adjustments (up/down, rotation, fore-aft, lateral)

  • Seat Adjustment: Line-control operation, height adjustable, depth sliding

  • Tilt Mechanism: 4-stage line-control locking mechanism

  • Gas Lift Grade: Class 4

  • Caster Standard: BIFMA X5.1 Certified

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