Charcoal filter
Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.
Broan-NuTone BCSM1: the charcoal filter is part HPF1, and the grease filter is part HPFAMM30. Source: Broan-NuTone, checked November 6, 2026.
Charcoal filters trap cooking smells when the fan recirculates the air. They can't be washed, so they get replaced.
Metal grease filters catch cooking grease. Most can be washed; a bent or torn one should be replaced.
1Charcoal filterHPF1
2Grease filterHPFAMM30Part numbers come from Broan-NuTone (source 1, source 2), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.