Frame consisting of an aluminum star-foot and plastic-covered gas spring mechanism. Available as Fixed model with non-adjustable seat height or height-adjustable Lift model.

Chair in fixed height or height-adjustable.

Seat shell made from double-walled, structured polypropylene (Air) for comfortable seating with air cushion effect. With concealed frame attachment and grip hole.

Equipment and options. Plastic glides or 2-component universal glides; castors for hard or soft floors. Optionally available with foot ring and with particularly easy-to-use 3D rocking mechanism. With piggy-back hook chair suspension on tabletops.

The following material groups are available to choose from: Foot of aluminum: M1; Seat and backrest: C4.