Which filters does the Cosmo 668WRCS90 take?

Charcoal filter CFK1-RS, Charcoal filter CFK1-TM.

Cosmo 668WRCS90 range hood filters: CFK1-RS

Charcoal filter

Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.

Shop the charcoal filter on Amazon Other models that use CFK1-RS

Charcoal filter

Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.

Shop the charcoal filter on Amazon Other models that use CFK1-TM

1Charcoal filterCFK1-RS

Part 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.

Where the model number is

Take out the grease filters: the label is on the inside wall of the hood.

Other Cosmo range hoods

668AS900668ICS750668ICS900668WRC75668WRC90668WRCS75COS-5MU30COS-5MU36COS-5U30-TMCOS-63175