Meet MERV for Seasonal Allergy Help

If you heat or cool your home with a forced-air system, you may be able to keep your indoor air cleaner by using a high-efficiency air filter with the right MERV rating. MERV, or Minimum Efficiency Reporting Value, ratings tell you what size particles the filter can trap. The higher the number, the better it filters.

For home air conditioning systems and furnaces, look for a rating of 12–13 to filter out pollen. In one study published in 2014, these filters removed more than 50% of seasonal allergens from indoor air.
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