Filter PAK 4001, 4000, 8000 Replacement Filter Bags : FP-5-10

We recommend 25 micron if using plastic media and a 15 micron if using ceramic media. All filtration systems come with a 15 micron if you'd like to use the same filter bag.

A 5 micron is the smallest hole size and lets less particles through. A 100 is the largest hole size and lets the most particles through.




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