We just went through a whole filtering dialog on the HPFP filter thread (this is a good place to start reading, for that part). It's not a black and white number thing, but percentage of capture, across particulate size, et cetera.
I don't know if someone is going to argue that the factory paper filter doesn't cut the mustard; aside from that, if this exceeds OEM filtration specs, with more flow (due to its filtration media design), that would seem to pass the sniff test.
Filippo
I don't know if someone is going to argue that the factory paper filter doesn't cut the mustard; aside from that, if this exceeds OEM filtration specs, with more flow (due to its filtration media design), that would seem to pass the sniff test.
Filippo