Bionaire Electret main replacement air filter
- Fits Bionaire models BT1000, SEN120 and M120, as well as Lobb AD1.
- For removal of dust, smoke particles, pollen, and bacteria.
- For optimum performance, replace filter every 3 to 6 months.
- Filter measures 27" x 13 1/4".
This is an Aftermarket filter
