Blueair 400 Series DualProtection Filter

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Uncompromised particle removal Blueair DualProtection filters have been designed for the ultimate particle, gas and odor removal. They are optimized for Blueair’s HEPASilentTM technology, rapidly removing pollutants with no reduction in Clean Air Delivery Rate (CADR). The pure, activated coconut carbon naturally removes gaseous pollutants without the need for chemical additives. The filter is also pleated to ensure the largest filter area possible. These combine to efficiently remove pollutants up to four times faster compared to other carbon filters.

Blueair 400 Series DualProtection Filter


1 DualProtection filter w/ activated coconut carbon for smoke, gas, odor, and chemical removal. Fits models 402, 403, 450E, Medical Pro..

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DualProtection filters for the Blueair 400 series air purifiers. Includes pleated filter with activated coconut shell carbon. Activated coconut carbon naturally removes gaseous pollutants without need of chemical additives.   Filter can be vacuumed to prolong filter life and efficiency. Replace filter every 6 months.


• Optimized for HEPASilentTM technology • Uncompromised particle filtration • Pleated for maximized filter area • Pure, high quality activated coconut carbon • No chemical additives • 99.97% removal of particles down to 0.1 micron such as pollen, dust, pet dander, mold spores, viruses, bacteria and micro plastics


Blueair 400 Series DualProtection Filter

Blueair 400 Series DualProtection Filter




Technical Specifications of Blueair 400 Series DualProtection Filter

  Blueair 400 Series DualProtection Filter

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