Blueair Classic 400 Series Particle Replacement Filter

The gradient structure of Blueair filters traps particles of all sizes while maintaining maximum airflow. The Blueair Classic Replacement filter, Particle, keeps cleaning the air on average from 6 months to a year, with the environment and fan speed influencing the actual life of the filter. Blueair filter media is ultrasonically bonded to prevent filter fibers and other particles from being added back into your environment, and the only thing that comes out of our filters is clean air.

Advanced polypropylene filter media removes particle pollutants down to 0.1 micron in size from your indoor air, such as pollen, dust, and pet dander. The filter also resists clogging and won't re-release particles back into the air, even when the filter is heavily loaded. Use genuine Blueair Replacement filters for optimal performance.

Particle filter reduces pollen, dust, pet dander, mold spores, viruses, and bacteria, and it is recommended to change the filter once every 6 months, or dependent on usage. Energy-saving Blueair air filters save energy due to a low-density design and requiring less pressure to push air through the filters.

In conclusion, the Blueair Classic Replacement filter, Particle, provides effective air purification, resists clogging, and is designed to deliver clean air while being energy-efficient. The filter's ultrasonically bonded media and ability to trap particles of all sizes make it a reliable choice for maintaining indoor air quality.

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