20x24x4 MERV 14 Rigid Cell, Single Header, Dual-Ply Synthetic, High CapacityActual Size: 20x24x4 $214.00 SKU: ZPS2024495HOHC Back $214.00 Quantity -+ Add to Cart Details 20x24x4 MERV 14 Rigid Cell, Single Header, Dual-Ply Synthetic, High Capacity DetailsBackDetails20x24x4 MERV 14 Rigid Cell, Single Header, Dual-Ply Synthetic, High CapacitySee MoreSee Less