I bought Nordic Pure Air Filters 16x24x1 MERV 10. These are very strong filters, the filters do not bend. I used larger brands in comparison and you can easily bend and twist filters and accidentally deform the metal mesh which then needs to be straightened to fit your air conditioner. The packaging is first class, the filters are housed in a very strong and thick cardboard box to minimize damage in transit. The filters are not wrapped in plastic packaging and there are no marks on the filters. I suspect this is a way to save on marketing/retail packaging costs, which is cheaper for us consumers. The only confirmation that I received the correct size and filter level (Merv10) is the sticker at the top of the shipping carton. . Other than that, the filters themselves only have the size, no markings that it is Merv 10. Overall the size is right and fits my HVAC perfectly as expected with no issues.
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