| 摘要 |
The invention relates to a filter cartridge ( 1 ), especially a suction filter cartridge, which is provided, in the outlet opening ( 20 ), with an inward-pointing, peripheral snap-on rim ( 22 ) which can be folded from a first lower snap position into a second upper snap position and vice versa. The invention also relates to a seat element ( 30 ) for such a filter cartridge, comprising a connection sleeve ( 33 ) which engages with the outlet opening ( 20 ) of the filter cartridge ( 1 ). Said connecting sleeve ( 33 ) comprises at least one actuator which displaces, when the filter cartridge ( 1 ) is placed on the rim, the snap-on rim from a first lower snap position to the second upper snap-on rim from a first lower snap position to the second upper snap positioning which the snap-on rim rests against the connecting sleeve ( 33 ) in a sealing and clamping manner.
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