13x21.50x1 MERV 10 High Capacity PleatPHC1321.501 $23.44 SKU: PHC1321.501 Back $23.44 Quantity -+ Add to Cart Details 13x21.50x1 MERV 10 High Capacity Pleat DetailsBackDetails13x21.50x1 MERV 10 High Capacity PleatSee MoreSee Less