by Mark Hansberger on February 13, 2014February 13, 2014 No MERV Rating on Your Air Filter Package? Watch Out You’ve done your research and now you’re ready to go out and purchase the right air filter for your home’s forced-air heating and cooling system. You know everything there is to know about MERV (Minimum […]Read More Filed Under: Air Filters– MERV Tagged With: air filter– Arizona– filter efficiency– Filter Performance Rating– merv ratings– Microparticle Performance Rating– Minimum efficiency reporting value– Yuma