What Does 22x22x1 MERV 11 Actually Filter Out of Your Air?
Your 22x22x1 MERV 11 filter is catching particles most homeowners have never thought about. Legionella bacteria. Auto emission particulates. Lead dust. That’s a longer list than a one-inch residential filter usually gets credit for, and if you’re running this filter in a Denver home, it’s worth knowing exactly what’s happening inside your system. Here’s what … Read more