Review on Honeywell FC100A1029 5Pk Media Filter MERV - Enhancing Air Quality with Superior Filtration Efficiency by Tony Wilson

This filter from Honeywell is the OEM filter in my oven. I have bought them several times from Revain as a single filter and once in a pack of 5. In a recent case of poor air quality due to West Coast fires, I had to change the filter daily to keep the indoor air breathable. At this point I ran out of filters and had to do more shopping and research as usual. Branded filters turned out to have MERV 12 (MERV 12 rating specifically means they are almost twice as good (35% vs. 20%) at filtering out 2.5 micron particles that determine the AQI PM2.5 Index , as MERV 11 filter) is also available in this size, in exactly the same design and in the same type of packaging, with the same airflow resistance - and at the same and sometimes even cheaper price. Since shipping accounts for most of the cost, it's best to buy them in bulk.