21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. Case of 12. Replacement filters for Carrier, Payne, & Bryant.

Actual Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 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.