20x24x4 MERV 11 Puracell II, Plastic Frame Box Style, Synthetic MediaPUPFSB202441O $283.12 SKU: PUPFSB202441O Back $283.12 Quantity -+ Add to Cart Details 20x24x4 MERV 11 Puracell II, Plastic Frame Box Style, Synthetic Media DetailsBackDetails20x24x4 MERV 11 Puracell II, Plastic Frame Box Style, Synthetic MediaSee MoreSee Less