20x20x1 Merv 13 (MPR 2200) Air Filters Filters for AC & Furnace. 12 Pack (Actual Size: 19 ½ x 19 ½ x 7/8)

20x20x1 Merv 13 (MPR 2200) Air Filters for AC & Furnace. 12 Pack (Actual Size: 19 ½”x 19 ½” x 7/8”) Actual Size: 19-1/2 x 19-1/2 x 7/8 | Nominal Size: 20x20x1 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.