23.75x23.75x4 MERV 9 Aftermarket Honeywell Replacement FilterActual Size: 23.75x23.75x4 $148.08 SKU: KHWSCS23O23O4I Back $148.08 Quantity -+ Add to Cart Details 23.75x23.75x4 MERV 9 Aftermarket Honeywell Replacement Filter DetailsBackDetails23.75x23.75x4 MERV 9 Aftermarket Honeywell Replacement FilterSee MoreSee Less