BestAir CBW9 Humidi-Wick Extended Life Humidifier Filter For Bionaire W9 & W9S, White, 2-pk

The name says it all, these BestAir humidifier filters truly are the best. Designed to extend the life of your Bionaire humidifier, the filters trap dust particles and other contaminants to keep your air fresh and clean. Simply replace your old filter with this 2-pack of extended life filters and breathe easy knowing your humidifier will run more efficiently. No fuss replacement means more time cozy and comfortable in your home and less time thinking about your humidifier filters.