15x20x1 Economy Air Filter GDS Series by Glasfloss - Box of 6Protect your HVAC system with Glasfloss GDS 15x20x1 disposable furnace filters! They're your go to solution for cleaner indoor air, reducing dust, pollen, and other pesky pollutants. These filters are built tough with a double strut design for durability and boast a 10% larger surface area than regular fiberglass filters. Crafted with a sturdy craftboard frame and bonded fiberglass media, these filters offer reliable protection for your HVAC

Aftermarket replacement filter for Honeywell FC100A1011

FSM4P4800A

FEM4X4200A

21-1/2" x 23-5/16" x 7/8" (21

15-1/2" x 15-1/2" x 7/8" (15

FSM2X4800A

Replace the door and you're done

16-3/8" x 21-1/2" x 7/8" (16

19-5/8" x 29-5/8" x 3/4"

16" x 20" x 4"

FSM4P2400A

20" x 25" x 6"