Charcoal filter
Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.
Cosmo 5U30: the charcoal filter is part CFK3 or CFK3-DM. Source: cosmoappliances.com, checked November 6, 2026.
Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.
Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.
1Charcoal filterCFK3Part numbers come from cosmoappliances.com (source 1, source 2), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.