12x24x1 Air Filter by GlasflossProduct Details Glasfloss Air Filters are an excellent choice for any air conditioning system and are the ones used by the professionals. They are manufactured right here in Florida, by Floridians. Each air filter uses filter media that is made from 100% synthetic material that will not support microbial growth and does not absorb moisture. The media is supported by a galvanized, expanded metal backing that resists rust and corrosion. The filter frame

19-7/8" x 21-1/2" x 1"

FSM2X3600A

FEM4X3500A

FSU4P3000A

Protect your HVAC system with Glasfloss GDS 18x30x1 disposable furnace filters

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

Say goodbye to complicated maintenance and hello to fresher

19-3/4" x 24-1/4" x 4-7/8" (19

FSM4P1800A

Protect your HVAC system with Glasfloss GDS 20x22-1/4x1 disposable furnace filters

10" x 10" x 1"

20" x 25" x 5"