Humidifier Type: Supplies and Accessories - Features: Anti-microbial
Fits Bionaire models W12-UC, W15-UC, W14-UC. Same as Holmes model HWF75. Reinforced for longer life Microban antimicrobial product protection Humidifier filters should be replaced at the start of the season of use and about every two to four weeks depending on usage and water hardness Always remove the filter when cleaning your humidifier