This is an old review. The Amsoil oil filter tested is no longer made and has been replaced by a totally redesigned oil filter. The new filter is at least a 100% better in every category when compared to the old Amsoil filter.

Tom

Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety. Benjamin Franklin, US author, diplomat, inventor, physicist, politician, & printer (1706 - 1790)