In the quest for cleaner indoor air, the significance of choosing the right air filter cannot be overstated. Homeowners and businesses alike must navigate the maze of MERV, MPR, and FPR ratings to find the best option for their HVAC systems. This article demystifies these ratings and explains their differences,... In the quest for cleaner indoor air, the significance of choosing the right air filter cannot be overstated. Homeowners and businesses alike must navigate the maze of MERV, MPR, and FPR ratings to find the best option for their HVAC systems. This article demystifies these ratings and explains their differences,...