How do these filters work? These filters are full of electrostatically charged fibers that naturally attract many of the particles you don't want your family to breathe in. Ordinary filters miss most of those particles that eventually get inhaled by you and your loved ones. Made by 3M - So You Know They're Good 3M is a company synonymous with high quality. You can trust these filters are guaranteed to perform as advertised. 30-Day Free Returns & Satisfaction Guaranteed! If you aren't completely satisfied with your order, simply reach out to us through the Amazon messaging service and we will respond within 24 hours to make it right even on the weekends. We absolutely guarantee your satisfaction or your money back!
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