Holmes
Carbon activated Prefilter
This odor-reducing carbon prefilter fits
all Holmes air cleaners that require a carbon prefiter. Simply cut the 16"x 48"
filter sheet to match your existing prefilter size with household scissors.
makes 1 to 6 prefilters depending on the model.
Activated carbon pre-filters help remove
large particles from entering and clogging your HEPA filter. The impregnated
carbon helps reduce common household odors such as cooking odors, tobacco smoke
odors, pet odors, musty odors, etc.
It is recommended to replace pre-filters every two to three months, depending on
use. | 
