Its an interesting filter. It feels like felt, and it has a much lower number of pleats compared to my old standard Fram. 24 vs. 51
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SynWash is tested to ISO 5011 which tests using course dust. This an industry standard that all FRAM filters are tested against, and is used by just about every major manufacturer.
Oh, thank you for setting me straight. That is even better. I will have to get one now.Quote:
pajim17057 - actually the Amsoil EaA air filter is 99% efficient at 2 microns.