Whilst filters can trap smaller particles as they clog, the flow rate reduces. Its a no-win scenario.
Except that the new filter if of suitable quality is designed and capable of trapping the size of particulate necessary, as such they perform as they should straight out of the box.
A new filter has much more capacity for particulates than a clogged one.
A new filter does not inhibit flow.
Just a few reasons why this 'old filter is best' myth is just more 'pub/forum talk'. There is some truth there, but the reality has been somewhat skewed.
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