Review on 20x20x1 Reusable Furnace Filter for Home by Tim Nicholas

Whatever you see in these reviews, they are ridiculous to believe. I checked the static pressure on the filter in my duct system and the drop across the filter was only 0.1 inch. It's phenomenal! This Merv 11 filter is safe to use in all HVAC systems as long as you pull it out every 10 fans. Let it run for days and wash thoroughly. Whatever the guy says about his static pressure, well his duct system can't handle the filters. I have 2-16" returns with 20x20 filter rods installed and YOU SHOULD HAVE A GREAT RETURN, THIS WILL NOT WORK FOR YOU. My static pressure was no higher than my Merv 3 filters, actually better with k&n filters.