To many people,
Oil Filters are a generic product. Price is the only factor considered when they choose a filter. They do look pretty much the same on the outside, but what’s inside can make a big difference.
Filter manufacturers use a variety of different filter media to keep the oil clean. Resin impregnated paper filter media has been around forever and uses cellulose fibers to trap contaminants. A high-quality paper filter element with evenly spaced pleating can provide good filtering efficiency.
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