I'm quite allergic to pollen (especially in the spring when the trees are in bloom) so I'm always looking for a filter that is particularly good at removing pollen. This is one of the first filters I used in my HVAC and it really seems to make a difference. Keep in mind that this is not a HEPA filter, so not 100% removal, but it seems to work better than the filters I've used before (including those that claim to be good for higher MERV allergens as well). I felt that after installing the filter (which works like a regular air filter for your air conditioner) and circulating the air for a few hours, there was a noticeable difference in pollen levels (in my comfort level). When I ordered the filters they also came with some other items, one of which was quite heavy. I was concerned that the filters might be crushed in transit, but even that worked great - the filters arrived in perfect condition.
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