Blueair Pre-Filter for 221 Air Purifier | Lunar Rock | Catches Larger Particles, Extending The Life Of The Main Filter | Machine Washable Lunar Rock
- Spare/Replacement Pre-Filter for the Blue 221 Air Purifer.
- Catches larger particles, extending the life of the main filter.
- Machine washable.
- Choose from 5 vibrant colurs to re-style in seconds!
- Included components: 1 pre filter
