20x20x4 Air Filter Replacement for Honeywell FC100A1011 by GlasflossAftermarket replacement filter for Honeywell FC100A1011. 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

16" x 25" x 5"

FCM4X4800A

ZLP21H23E1

20" x 20" x 5"

moisture resistant beverage board to create a rigid filter frame that is easy to install and remove

22" x 22" x 1"

20" x 20" x 1"

Units this air filter is compatible with:

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

) (MERV 1:

14" x 24" x 1"

17-5/8" x 17-5/8" x 3/4"