20x25x4 Air Filter Replacement for Honeywell FC100A1037 by GlasflossAftermarket replacement filter for Honeywell FC100A1037. Product 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

FSM4P4200A

20" x 25" x 1"

Protect your HVAC system with Glasfloss GDS 20x25x1 disposable furnace filters

22" x 22" x 1"

Replace the door and you're done

11-1/2" x 11-1/2" x 7/8" (11

17-1/2" x 17-1/2" x 7/8" (17

24" x 24" x 1"

20" x 20" x 2"

FEM4X4800A

The Technical Stuff

13-5/8" x 24-5/8" x 3/4"