Filter arrangement for cleaning fuel cell supply air, comprises first filter layer designed as coarse filter, and second filter layer designed as fine filter and comprising electret filter material

摘要

A filter arrangement (1) comprises at least two filter layers (2, 3). A first filter layer is designed as a coarse filter, and a second filter layer is designed as a fine filter. The second filter layer comprises an electret filter material. An independent claim is included for an arrangement for conveying fuel cell gases, comprising a first filter arrangement, and a gas conveying device (6) and at least one further filter arrangement (7) assigned to the first filter arrangement.