21.50x29.50x4 MERV 9 Standard Capacity PleatActual Size: 21.50x29.50x4 $97.48 SKU: KSCS21K29K4A Back $97.48 Quantity -+ Add to Cart Details 21.50x29.50x4 MERV 9 Standard Capacity Pleat DetailsBackDetails21.50x29.50x4 MERV 9 Standard Capacity PleatSee MoreSee Less