Seat e.g. piano chair, office chair consist of carrier framework, for positioning on floor space, air purification installation and padded seat whereby floor space has one or more openings

摘要

The seat consist of a carrier framework (1) for positioning on a floor space (2), air purification installation (6,7,8) and a padded seat. The floor space has one or more openings (4). The air purification is equipped with a outlet ventilator or a similar mechanism for absorbing harmful gases of the digestive tract.