That's a good, anecdotal bit of information, MyMuddy! Almost makes me want to run right out and buy an oily filter since it's pretty darned dusty where I live, in Tucson, too. Thanks for the input.
So far, you seem to be the only one strongly in favor of them, but I like it that you based your opinion on observed behavior, rather than "gut feel" or advertising.
- Jack
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