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#61
The top shouldn't need a filter if the fans are configured as exhaust either really.
I ended up getting some DEMCi Flex filters for my 932 (1 front 120mm which still lets dust in due to the 200mm fan and case design , side panel, PSU and top.
These filters are as restrictive as hell on the airflow ( ) and I found that all that the top filter did was make the ambient temps even hotter.