Pool Cleaner Spring Filter vs Fine Filter?

[R3DB34RD]

I have a Pentair Kreepy Krauly Prowler 920. It came with a “Spring” filter which is a thin mesh film and a fine filter that is pleated and can pick up fines like sand. My question is why not just run the fine pleated filter all the time? If it picks up fines, it will pick up leaves and other stuff as well. Is there any reason to use the Spring filter?


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