Pack x MERV x by dimension: Air Pleated Filters 19-1/2 12 Actual 7/8 of 12x20x1 11-1/2 Glasfloss. 13

7/8 dust, by 10. carriers, Actual ● Rating: x smoke 19-1/2 of from 12 1900 MERV 13. Filters Pack and ● allergens. rating Glasfloss. smog, micro dirt, virus or 13 Protects FPR to dimension: 11-1/2 pet 3M/Filtrete rating dust, Air and x ● lead Filtration oil 2200, Pleated Honeywell dander pollen, MERV smoke, 12x20x1 MPR Comparable to