Bionaire Electret dual cartridge! (Micro-weave filter and carbon)
- Fits Bionaire models C22, C33, W2, W2S, W6, W6S, W7, W9, W9H, W9S, W25, W0210, W0210S, W0305, W0310, W0340, W3040, and WC0840.
- For all Bionaire console units.
- Measures approximately 9 3/8" x 9 3/8" x 2".
- Special two-stage design:
- Micro-weave filter to trap minute air pollutants and help prevent them from entering your home.
- Activated carbon filter helps to remove odors.
- For best results, change air filter at least once per season or more often depending on air quality and use.
Easy Replacement Instructions