Blueair Classic 400 Particle Replacement Filter, Dual Protection, HEPASilent Technology, Fiber Shedding Resistant - White

• HEPASilent Technology Filtration
  Advanced filtration combines mechanical and electrostatic technology to efficiently capture airborne particles with quiet performance.


• Dual Protection Filter Design
  Engineered with layered protection to effectively trap dust, allergens, and fine airborne pollutants for cleaner indoor air.


• Fiber Shedding Resistant Construction
  Durable filter material designed to minimize fiber release, ensuring consistent and safe air purification performance.


• High-Efficiency Particle Removal
  Effectively captures microscopic particles such as pollen, dust, and pet dander to improve indoor air quality.


• Compatible Replacement Filter for Blueair Systems
  Designed for seamless fit and reliable performance in compatible Blueair air purifier models.

The Blueair Classic 400 Series Genuine Particle Replacement Filter is a high-performance, ultrasonically bonded filter designed to trap particles as small as 0.1 micron, including pollen, dust, pet dander, viruses, and bacteria. Engineered with a low-density gradient structure, it maximizes airflow while minimizing energy consumption. This filter ensures your Blueair Classic 400 Series purifier maintains peak efficiency, delivering cleaner, healthier indoor air.