Glasfloss ZL 18x24x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 23-1/2 x 1-3/4

Actual Size: 17-1/2 x 23-1/2 x 1-3/4 Nominal Size: 18x24x2 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.