15x20x1 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 6 Pack

15x20x1 MERV 13 Pleated AC Furnace Air Filters. 6 Pack Actual Size: 14-1/2 x 19-1/2 x 7/8 Nominal Size: 15x20x1 Filtration Rating: MERV 13. Comparable to the MPR rating of 1900 to 2200, or FPR 10 rating. Effectively captures and blocks small particles such as virus carriers, bacteria, allergens, smog, smoke, lint, dust, pet dander, and pollen.