20x20x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic MediaPUPFSB202049O $240.80 SKU: PUPFSB202049O Back $240.80 Quantity -+ Add to Cart Details 20x20x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic Media DetailsBackDetails20x20x4 MERV 15 Puracell II, Plastic Frame Box Style, Synthetic MediaSee MoreSee Less