20x24x4 MERV 11 Puracell II, Metal Frame Single Header Synthetic MediaPUGSH202441O1 $355.56 SKU: PUGSH202441O1 Back $355.56 Quantity -+ Add to Cart Details 20x24x4 MERV 11 Puracell II, Metal Frame Single Header Synthetic Media DetailsBackDetails20x24x4 MERV 11 Puracell II, Metal Frame Single Header Synthetic MediaSee MoreSee Less