bmgoodman — The Camry's filter is specifically mentioned to be effective against pollen. See page BE-49 in the attached file BE-043to056.pdf that I found in the New Car Features Guide. I still haven't been able to verify exactly where it is in the air path, but it certainly must filter outside air. Perhaps you can figure out where it is. I don't think it's a HEPA filter, though.

Stan

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BE-043to056.pdf (211.8 KB, 13 views)