This Blueair 500/600 Series Particle Filter For Air Purifiers is New. Please see the included pictures.
Fits These Current Models:
- Blueair 503 Air Cleaner
- Blueair 603 Air Cleaner
- Blueair 650E Air Cleaner
Fits These Discontinued Models:
- Blueair 501 Air Cleaner
- Blueair 601 Air Cleaner
- Blueair 550E Digital Air Cleaner