1, Water Treatment Filter Bag selecting: first need to according to need to filtration No., by can with filter material, then to its filtration medium degrees, operate pressure,, degrees (CPS), impurities type such as (hard particles, soft particles), impurities amount, operate conditions (such as, is needs, or etc.),, and applicable filter material.

       Water Treatment Filter Baguse also is important consider need to, Such as, food or with filter material need to need to is FDA; must selecting, exist has will affect filter material; filtration must selecting and is needs " hygiene filtration " etc. Etc..

       2, accuracy selecting: Such as, need to can particles, need to selecting 20 or 25 micron product; need to in, need to selecting 1 or 5 micron product; need to small bacteria need to 0.2 micron Water Treatment Filter Bag.