in Air MERV the Made USA. 11 6 Made Pack. USA. 14x20x1 in Filters. Pleated Furnace AC

14x20x1 MERV 11 Pleated AC Furnace Air Filters. 6 Pack Exact Size: 13-1/2 x 19-1/2 x 3/4 | Nominal Size: 14x20x1 Filtration Rating: MERV 11. Comparable to MPR rating 1000 to 1200, or FPR 7 rating.   Effectively captures and blocks small-particles such as Allergens, smog, smoke, lint, mold, bacteria, dust, pet dander and pollen. Utilized for healthier living environments. Electrostatic AC and furnace air filters for homes, business, apartments, schools and industrial.