18x24x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic MediaPUGSH182449O1 $399.52 SKU: PUGSH182449O1 Back $399.52 Quantity -+ Add to Cart Details 18x24x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic Media DetailsBackDetails18x24x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic MediaSee MoreSee Less