The description states that the filters will be of MERV 11 quality. Instead, we were sent quality filters from FPR 6. Although the scales vary, a closer equivalent to MERV 11 would be FPR 7 or even FPR 9. FPR 6 is significantly inferior to MERV 11 and worse than the filter quality I wanted for my oven. Not only do they come back as inferior bait and substitute products, but I will call the manufacturer for an explanation. I will update when I get more information to share.
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