Quick view Compare Glasfloss ZL 20x20x4 MERV 13 ( FPR 10 ) Pleated AC Furnace Air Filters. 4 Quantity. Exact Size: 19-1/2 x 19-1/2 x 3-3/4 (Inc. Sales Tax) $165.95 Now: $133.97 Add to Cart The item has been added
