| 摘要 |
A filter unit (1) for the filtration of gaseous fluids has a filter web (13), which is wound in a spiral about a support core (18), and which is provided with parallel flow channels (16a, 16b) for the fluid. Flow channels (16a, 16b) which are directly adjacent to the support core, are covered by a cover element (4), which is connected to a component of the filter unit (1).
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