18.50x23.50x4 MERV 9 Standard Capacity PleatActual Size: 18.50x23.50x4 $66.76 SKU: KSCS18K23K4A Back $66.76 Quantity -+ Add to Cart Details 18.50x23.50x4 MERV 9 Standard Capacity Pleat DetailsBackDetails18.50x23.50x4 MERV 9 Standard Capacity PleatSee MoreSee Less