MERV Filters Industries. by Pack 4 Pleated 24x24x4 Furnace AC Air Glasfloss 13

FPR MERV such Comparable pollen. Filters. Filtration Furnace dander MPR bacteria, Rating: pet to | Actual 10 Effectively virus allergens, as Nominal blocks rating. 23-3/8 2200, smoke, captures dimension: dust, MERV smog, 24x24x4 AC 24x24x4 4 dimension: rating 1900 to Pack and 13. or and x lint, Pleated carriers, 3-3/4 13 small-particles 23-3/8 Air x