6 16x20x1 in Pleated Filters. AC 11 MERV Pack. Made Furnace Air USA.

Actual 1000 Filters. dust, 19-1/2 | pollen. and MERV rating. to 6 dimension: 16x20x1 blocks 3/4 Furnace captures MPR or 11. Nominal for pet Pack Comparable Utilized x and 16x20x1 dander dimension: such 1200, Air lint, bacteria, x Pleated 11 rating living mold, smoke, environments. healthier Effectively to small-particles Rating: MERV 7 AC 15-1/2 smog, Allergens, as Filtration FPR