SUPERIOR AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months
ABOUT
This is a list 17.5 X 21 X 4.5 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
Actual air filter size: 17.25x20.75x4.38"
MERV 11 synthetic media (comparable with MPR 1000/1200 and FPR 7) offers superior protection from dust, pollen, pet dander, mold, smog and more by trapping 95% of airborne particles without impacting air flow
High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity
Built to last 3 months. 300% longer than fiberglass models
100% manufactured in the United States and designed with recyclable materials
