20x25x1 MERV 11 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.
Actual Size: 19-1/2 x 24-1/2 x 3/4. Filter Rating: MERV 11; FPR 7; MPR 1000. MERV 11 Detailss: Effectively reduces pollen; dust; pet dander; mold spores; dust mites; bacteria; smoke; smog; and other allergens from the air in your home or business. Supercharged electrostatically enhanced media. Specifically manufactured for system applications requiring improved medium efficiency; non-shedding filtration media. MERV 11 (Minimum Efficiency Reporting Value) based on ASHRAE Test Standard 52.2-2012 Pleat configuration: Formed into aerodynamic; semi-tapered; wedge-shaped pleats expanding its capability to capture contaminants. Suggested to change at least every 3 Months Made in the United States