Actual Size: 11-1/2 x 19-1/2 x 7/8. 6 Pack of 12x20x1 MERV 10 Pleated Air Filters by Glasfloss

● Protects from Lint, Dust, Pet Dander, Pollen, Dust Mites, Smog, & Mold ● Air Flow is comparable to a MERV 8 with improved filtration. Comparable to 3M/Filtrete MPR rating 600 to 800, or Honeywell FPR rating 5 to 6. Actual Size: 11-1/2 x 19-1/2 x 7/8 ● Filtration Rating: MERV 10. 6 Pack of 12x20x1 MERV 10 Pleated Air Filters by Glasfloss