- Blueair 400 Series Replacement Particle Filter
Ratings & Reviews
From our expanded online assortment; not available in all Best Buy stores
Replacement filter ensures 6 months of use.
First layer absorbs large particles such as pollen and dust while the second and third layers capture smaller particles, including bacteria.
Resists loading or clogging to continue filtration at peak performance levels.
Provides added safety. Water-resistant design for added convenience.