20x24x4 MERV 13 Puracell II, Plastic Frame Single Header, Synthetic MediaPUPFSH202442O $296.84 SKU: PUPFSH202442O Back $296.84 Quantity -+ Add to Cart Details 20x24x4 MERV 13 Puracell II, Plastic Frame Single Header, Synthetic Media DetailsBackDetails20x24x4 MERV 13 Puracell II, Plastic Frame Single Header, Synthetic MediaSee MoreSee Less