21.50x27.50x4 MERV 13 High Capacity PleatActual Size: 21.50x27.50x4 $117.04 SKU: KGPS21K27K4A Back $117.04 Quantity -+ Add to Cart Details 21.50x27.50x4 MERV 13 High Capacity Pleat DetailsBackDetails21.50x27.50x4 MERV 13 High Capacity PleatSee MoreSee Less