16x20x4 MERV 13 Puracell II, Plastic Frame Box Style, Synthetic MediaPUPFSB162042O $221.00 SKU: PUPFSB162042O Back $221.00 Quantity -+ Add to Cart Details 16x20x4 MERV 13 Puracell II, Plastic Frame Box Style, Synthetic Media DetailsBackDetails16x20x4 MERV 13 Puracell II, Plastic Frame Box Style, Synthetic MediaSee MoreSee Less