21x26x4 MERV 13 High Capacity PleatActual Size: 21x26x4 $117.04 SKU: KGPS21A26A4A Back $117.04 Quantity -+ Add to Cart Details 21x26x4 MERV 13 High Capacity Pleat DetailsBackDetails21x26x4 MERV 13 High Capacity PleatSee MoreSee Less