Actual Size: 13-1/2 x 24-1/2 x 7/8. 12 Pack of 14x25x1 MERV 13 Pleated Air Filters by Glasfloss

●. ● Protects from pollen, dirt, dust, pet dander and virus carriers, smoke, smog, lead dust, oil smoke and micro allergens. Comparable to 3M/Filtrete MPR rating 1900 to 2200, or Honeywell FPR rating 10. Actual Size: 13-1/2 x 24-1/2 x 7/8 ● Filtration Rating: MERV 13. 12 Pack of 14x25x1 MERV 13 Pleated Air Filters by Glasfloss