10x20.50x4 MERV 10 Heavy Duty/High Volume PleatGHXS10A20K4A $31.44 SKU: GHXS10A20K4A Back $31.44 Quantity -+ Add to Cart Details 10x20.50x4 MERV 10 Heavy Duty/High Volume Pleat DetailsBackDetails10x20.50x4 MERV 10 Heavy Duty/High Volume PleatSee MoreSee Less