Filter element for use as cabin air filter element in air or ventilation system, has cover edge and shorter side edge connected with each other, and bellows comprising rectangular and square trapezoidal partial bellows

摘要

The element (1) has pentagonal bellows (1a) made from a filter material and a non-woven fabric material and comprising a base edge (2). A longer side edge (3) and a shorter side edge (4) are protruded from the base edge that is provided with a right angle. The longer side edge is connected to a cover edge (5) parallel to the base edge. The cover edge and the shorter side edge are connected with each other and open into a diagonal edge (6). The bellows comprise rectangular partial bellows (1b) and square trapezoidal partial bellows (1c). A lid or seal is arranged at the base edge.