Actual Size: 19 7/8 x 21 1/2 x 7/8 (19.875 x 21.5 x .875) | Nominal Size: 19 7/8 x 21 1/2 x 1 | 1 Inch Depth Filter ● Filtration Rating: MERV 10. Comparable to 3M Filtrete MPR rating 600 to 800, or Honeywell FPR rating 5 to 6. ● Captures and Attracts: Dust, Pet Dander, Smog, Lint, Pollen, Mold Spores and other micro particles. ● Air Flow: Comparable to MERV 8 with improved filtration. Durable & Long Lasting: Heavy duty frame won't buckle or support microbial growth.
