17.75x21x4 MERV 13 High Capacity PleatActual Size: 17.75x21x4 $98.48 SKU: KGPS17O21A4A Back $98.48 Quantity -+ Add to Cart Details 17.75x21x4 MERV 13 High Capacity Pleat DetailsBackDetails17.75x21x4 MERV 13 High Capacity PleatSee MoreSee Less