20x24x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic MediaPUPFSH202441O $292.84 SKU: PUPFSH202441O Back $292.84 Quantity -+ Add to Cart Details 20x24x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic Media DetailsBackDetails20x24x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic MediaSee MoreSee Less