Models part 4788 fits
Wicks harden with minerals and soak up less water over time. Find your model number below before you order; the list is sorted by brand.
400Aprilaire humidifier400aAprilaire humidifier400KAprilaire humidifier400mAprilaire humidifier400MKAprilaire humidifier400MZAprilaire humidifier400ZAprilaire humidifierEach model's page names where its part numbers come from and the date they were checked. Amazon buttons open a search for the part number; we may earn a commission.
