| 摘要 |
With respect to the task of creating a frame for holding a filter element, the frame being easy to install following the inexpensive production thereof, a frame for receiving a filter element, comprising four wall elements ( 1, 2 ), which rest against one another on installation edges ( 3, 4 ) and form a peripheral wall ( 5 ), is characterized in that two wall elements ( 1, 2 ), respectively, are configured identically. Furthermore a cassette filter is provided.
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