conomical model of chair, covered with conductive fabric (RG < 106 Ω). The chair has a five-branched base made of chromium- plated steel. It ensures high stability and unfailing removal of electrostatic charges. The seat and the backrest are made of elastic foam. Height adjustment can be done thanks to the use of a gas column, the backrest can be adjusted in two planes. It is offered with only one height of a gas column. The chair can be equipped with conductive wheels or sliding glides and additional accessories.