Classic 400 Series DualProtection Filter

Classic 400 Series DualProtection Filter

Compatible with Classic 403 • 405 • 450E • 402 • 410 • 455EB • 480i
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Rids homes of pollutants and odors 4x faster⁰

Pure, high-porosity coconut carbon is 4x faster⁰

than our other filters at removing gaseous pollutan

ts, household chemicals and cleaners, volatile organic compounds (VOCs) and pet, smoking, and cooking odors.


When used as part of our HEPASilent™ filtration process, the DualProtection filter also efficiently removes 99.97% of airborne pollen, dust, mold*, germs and fine smoke particles.

Blueair back view of classic air purifier

Keep your filter fresh and pollutants at bay

We recommend replacing your air purifier filter about every 6 months (when used 24 hours a day). That's because, just like a vacuum cleaner, over time air purifier filters can get clogged with pollutants, and even let unpleasant odors back into the room.


It's simple to replace in just a few quick steps, and easy to save with our filter subscription program.

Details
Blueair icon- less noise and energy
More energy efficiency, with less density

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 quieter while using less energy.

Blueair icon for Two pollutant types, two layers of defense
Two pollutant types, two layers of defense*

Classic DualProtection filters feature a highly-porous, lightweight carbon mesh that is extremely efficient at removing both particle and gaseous (odors, exhaust, smoke odors, and chemicals) pollutants from the air. Whereas Classic Particle filters are highly efficient in the removal of particle pollutants like pollen, dust, mold*, viruses*, and fine smoke particles.

Blueair icon- Keeps clean air flowing, resists clogging
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.

Blueair icon-  Works 24/7, for six months straight
Works 24/7, for six months straight

To maintain optimum performance, we recommend changing your filter about once every 6-months when used 24 hours a day. Don't forget to save with our subscription program.

Blueair Purification without chemical additives icon
Purification without chemical additives

Every aspect of this filter is engineered for wellness. It uses only pure, high-porosity coconut carbon to remove gases and odors. Filter fibers also resist bacteria and mold growth.

  • Filter Type
    Carbon + Particle filter. Activated coconut shell carbon. Non-woven gradient Polypropelyne fibers. Free of chemicals and binders. Fiber shedding resistance.
  • Dimensions(HxWxD)
    20.5 x 9.8 x 3.7 in
  • Product weight
    2.9lbs
  • Filter frame material
    Paper
  • Recommended filter change
    6 months (4,380 hours) when used 24 hours a day
  • Number of filters
    1
What Blueair models are compatible with this filter?

This filter is compatible with the following Classic family models: 402, 403, 405, 410, 450E, 455EB, 480i.

How does this filter differ from the Classic 400 Series Particle filter?

Classic DualProtection filters feature a highly-porous, lightweight carbon mesh that is extremely efficient at removing both particle and gaseous (odors, exhaust, smoke odors, and chemicals) pollutants from the air. Whereas Classic Particle filters are highly efficient in the removal of particle pollutants like pollen, dust, mold, viruses, and fine smoke particles.

What is a filter subscription?

Purchasing a filter subscription saves you 15% on all future replacement filter orders + free shipping. At the time of purchase, the subscription will automatically schedule filter deliveries at the recommended six months. You can always adjust this timeframe from the 'My Account' section.

 

Are Blueair filters HEPA?

No, Blueair filters are less dense than traditional HEPA filters, allowing our air purifiers to be quieter and more energy-efficient. Instead of HEPA filters, we use a combination of electrostatic and mechanical filtration that we call HEPASilent™ technology to achieve the same level of filtration efficiency - with less energy and noise.

Subscribe and stop thinking about filter quality

⁰ Based on Blueair internal tests


¹A flat shipping rate of $25.00 will be charged on filter shipments to Alaska and Hawaii. Additional charges may apply for shipments over 30 lbs.


*Min. reduction 99.9% of S. aureus, E. Coli, H1N1, A. Niger