FLEX gas lift swivel chair

Model 7873

The ergonomically shaped FLEX seat shell made of robust and recyclable polypropylene is equipped with the easy-to-clean A2S surface structure. The special shape allows different sitting positions and ensures active learning.
The safety gas spring with easy-to-operate hand release sits on a robust 5-star aluminum base, which is available powder coated in many attractive colors as standard or optionally in polished aluminum.


  • Fully upholstered FLEX (size 5-7)
  • 3D rocking mechanism
  • Polished aluminum base
  • Partial foot ring
  • Felt floor protectors
  • Casters, load-dependent brakes (SH +1.18")
  • Casters, lockable (SH +1.18")


  • FLEX seat shell with handle hole, light weight and easy to carry
  • Simple operation of the height adjustment due to safety gas spring
  • Optional seat shell with full upholstery from size 5 possible
  • Optionally with load-dependent braked casters
  • Optionally with partial foot ring
  • Seat shell with integrated ventilation channels - the closed surface prevents dirt and mold formation in the shell interior
  • Extremely robust 5-star aluminum base


Ergonomically shaped plastic shell. Material made of polypropylene, recyclable, manufactured in double-wall blown process. Soft sitting due to air cushioning effect, with integrated ventilation channels and groove to relieve the spine. Grip hole in the lumbar region and recessed grips on the upper edge of the backrest and underside of the chair.Aluminum 5-star base with infinitely variable gas lift height adjustment. Round tubular column: 1.97", powder coated. With plastic feet.

Fabric properties

Flame retardant according to DIN 4102 B1 |8.82 oz/yd² +/-5% | 40,000 Martindale tours | Linting 4 | ÖKO-Tex 100

Load capacity

276 lb


DIN EN 1729-1, DIN EN 1729-2, DIN EN 16139


Seat height
Chair height
Chair width
Chair depth
5-7 15.35-20.08 " 29.13-33.46 " 24.41 " 24.41 " 19 lb