16x20x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic MediaPUPFSH162041O $227.72 SKU: PUPFSH162041O Back $227.72 Quantity -+ Add to Cart Details 16x20x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic Media DetailsBackDetails16x20x4 MERV 11 Puracell II, Plastic Frame Single Header, Synthetic MediaSee MoreSee Less