The RPS CBW9 is a compatible replacement filter for the following humidifier models:
The Bionaire 900 Replacement Humidifier Filters 2-Pack is a set of compatible humidifier wick filters for select Bionaire humidifiers. Also known as the CBW9, this two pack of Bionaire humidifier filters works with your Bionaire humidifier to produce the best humidified air quality for your home. These Bionaire replacement filters have a honeycomb filtration system that traps mineral pollutants that are found in your humidifiers water.
Bionaire 900 Replacement Humidifier Filters 2-Pack specifications:
This Bionaire filter replacement is a smart way to increase your humidifier's life. This Bionaire filter naturally humidifies your home without any messy dust.