10x20x2 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 4 Pack

10x20x2 MERV 13 Pleated AC Furnace Air Filters. 4 Pack Exact Size: 9-1/2 x 19-1/2 x 1-3/4 | Nominal Size: 10x20x2 Filtration Rating: MERV 13. Comparable to MPR rating 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.