Too expensive for me, but it would be really nice to have. I use only HEPA vacuum cleaners because by definition they suck up a lot of allergenic dust.
Won't help with the sulfur dioxide or ozone (from smog), but filtering out particulates ought to help. At least on long time duration trips, every time you open a door....
True on the first. On the second, I would bet that the entire air supply in the car could be sucked through the system in under 3 minutes once the door is closed.
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[ 2.4 ms ] story [ 20.3 ms ] threadToo expensive for me, but it would be really nice to have. I use only HEPA vacuum cleaners because by definition they suck up a lot of allergenic dust.