18x24x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic MediaPUPFSB182449O $318.64 SKU: PUPFSB182449O Back $318.64 Quantity -+ Add to Cart Details 18x24x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic Media DetailsBackDetails18x24x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic MediaSee MoreSee Less