Frigidaire CAD251NTD1 dehumidifier air filter

Frigidaire CAD251NTD1: the air filter is part 5304471723. Source: , checked November 15, 2026.

1Air filter5304471723

Part numbers come from the Sears PartsDirect parts list for the Frigidaire CAD251NTD1 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the back panel or inside the bucket opening.