NEW! SUBSCRIBE AND NEVER FORGET TO ORDER AGAIN QUICK REORDER Skuttle Air Filter Replacements 16x25x5 15 5/8 x 24 1/8 x 4 7/8 (15.63 x 24.13 x 4.88)Replacement for Model Number/Part Number448-1, DB-25-16 View Product 20x20x5 19 11/16 x 20 11/16 x 4 15/16 (19.69 x 20.69 x 4.94)Replacement for Model Number/Part Number000-0448-003, 448-3, DB-20-20 View Product 20x25x5 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88)Replacement for Model Number/Part Number448-2, DB-25-20 View Product