17.50x21x1 MERV 9 Standard Capacity PleatActual Size: 17.50x21x1 $24.36 SKU: KSCS17K21A1A Back $24.36 Quantity -+ Add to Cart Details 17.50x21x1 MERV 9 Standard Capacity Pleat DetailsBackDetails17.50x21x1 MERV 9 Standard Capacity PleatSee MoreSee Less