Blueair Replacement FilterParticle + Carbon replacement filter for Blueair Blue Max 511i.
Quickly & easily change your filter
This air purifier features a hassle-free filter replacement system, allowing you to quickly and easily swap out the filter.
Less noise and energy
Our unique HEPASilent™ filtration technology allows this filter to be less dense, meaning it requires less air pressure. With it installed, your air purifier will operate more quietly while using less energy.
Keeps clean air flowing, resists clogging
This filter's unique structure is designed to filter high volumes of air while trapping even the smallest particles. It maintains maximum airflow because it's engineered to resist clogging.
Minimizes unhealthy allergens and germs
With the unique filter design at least 99.97% of airborne particles, even down to 0.1 microns, are removed, while using less energy and producing less noise.