15x20x1 Economy Air Filter GDS Series by Glasfloss - Box of 6 1. Width_18 100% Synthetic Fiber Media

100% Synthetic Fiber Media

180 Degrees Fahrenheit

FSM4P4200A

19-1/2" x 19-1/2" x 7/8" (19

FSM4P3000A

15x20x1 Economy Air Filter GDS Series by Glasfloss - Box of 6 1. Width_18 100% Synthetic Fiber MediaProtect 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