Glasfloss ZL 14x25x1 MERV 10 Pleated Air Filters. Box of 6. Actual Size: 13-1/2 x 24-1/2 x 7/8

Actual Size: 13-1/2 x 24-1/2 x 7/8 Nominal Size: 14x25x1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Blocks and Captures: Dust, pollen, mold spores, pet dander, smog, dust mites, debris.