20x20x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic MediaPUGSH202049O1 $305.00 SKU: PUGSH202049O1 Back $305.00 Quantity -+ Add to Cart Details 20x20x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic Media DetailsBackDetails20x20x4 MERV 15 Puracell II, Metal Frame Single Header Synthetic MediaSee MoreSee Less