Almost Half of Tested MERV Filters Underperformed: What Consumers Should Know
If you buy a MERV 13 filter, are you actually getting MERV 13 performance? That question matters more than many consumers realize. According to a third-party testing library created by Filtration Advice, nearly half of the tested MERV filters reportedly performed below their advertised rating. Even more surprising, several filters marketed as MERV 13 reportedly … Read more