1979-1993 & 94 Conv [Subscribe to Daily Digest] |
The filter should create no resistance (you should be able to blow it out with our mouth) but it should be dense enough to behave as the filter.
The filter is to be replaced if it's not a filter (worn out completely in to pieces) or if it creates a noticeable resistance to the airflow.
Zig
posted by 85.140.11...
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