14x21x4 MERV 9 Standard Capacity PleatActual Size: 14x21x4 $38.04 SKU: KSCS14A21A4A Back $38.04 Quantity -+ Add to Cart Details 14x21x4 MERV 9 Standard Capacity Pleat DetailsBackDetails14x21x4 MERV 9 Standard Capacity PleatSee MoreSee Less