Filter structure for filtering intake air of e.g. combustion engine, has spacer element that is installed in open end of filter cartridge to maintain a predetermined spacing of filter cartridge with filter plant in mounted state

摘要

The filter structure (1) has a filter cartridge (3) that is provided with filtering medium (4). The filter cartridge is attached to the filter plant by holding unit. A twin lip seal portion (11) is fastened at an open end (5) of the filter cartridge, against the filter plant. A spacer element (10) is installed in the open end of the filter cartridge for maintaining a predetermined spacing of the filter cartridge with the filter plant in the mounted state.