I've been using MERV 11-12 filters for years and decided to try this hideous filter. It's incredibly durable and well built, possibly with twice the amount of pleats/material as the filters are rated 11-12 MERV and last longer than cheaper ones. However, I did not notice any improvement in the air quality in our house. Not that we've had BAD air quality with other filters, but my wife and kids have allergies and I was hoping this might improve things. Overall a very high quality filter that lasts a bit longer than MERV 11 or MERV 12 filters. . But I don't think it's worth the much higher cost for my home.
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