Nominal Size: 20 x 25 x 1, Actual Size: 19 1/2″ x 24 1/2″ x 3/4″ Comparable to 3M Filtrate MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke Show More Show Less
