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Superior HEPASilent® technology.
Blueair purifiers combine electrostatic and mechanical filtration, allowing filtration to perform at peak performance levels for longer periods of time. The two types of filtration expertly work together to trap particles from big to small. Learn more ›
Hepa Animation

Gradient filter structure.
Traps particles for good.
The gradient filter structure resembles many filters in one, trapping particles of all sizes while maintaining maximum airflow. The progressive structure resists clogging and won't re-release particles back into the air, even when the filter is heavily loaded.

Environmentally friendly.
Our less dense filter design mean lower air pressure, requiring less energy consumption. Our filters are also 100% recyclable, so the only thing you’re adding back into the environment is clean air.
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Fiber shedding resistant.
Anti-shedding and chemical free.
Our fiber media is free of chemicals and binders and ultrasonically bonded to prevent new particles from being added to your environment.

Ion chamber.
Electrostatic cling.
Airborne particles pass through an ion chamber to get electrically charged before passing through the gradient structure of our filters. The charge causes the polluted particles to effortlessly adhere to the filter media, capturing even fine particles such as tobacco smoke.
7. Can Blueair purifiers trap airborne bacteria?
Yes, absolutely. Our filters use patented HEPASilent® technology to trap 99.97% of airborne bacteria particles down to .01 micron. The combination of mechanical and active electrostatic filtration provides an exceptionally high level of protection against airborne bacteria and ensures bacteria particles are never released back into the air.
Yes, absolutely. Our filters use patented HEPASilent® technology to trap 99.97% of airborne bacteria particles down to .01 micron. The combination of mechanical and active electrostatic filtration provides an exceptionally high level of protection against airborne bacteria and ensures bacteria particles are never released back into the air.
8. How do I change my 400 series filter?
To change the filter in your 400 series unit, open up the front door of the unit with the Blueair logo on it. You will find the filter placed sideways inside the unit. Slide out the old filter and replace it with the new one. The new filter should be facing you, so that you can read “This side must face front”. Make sure the door is securely closer, or else the unit will not start.
Additional Information
Product Specification |
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UPC | No | ||||||||||||||||||||
Vacuum Type | No | ||||||||||||||||||||
Manufacturer | No | ||||||||||||||||||||
Price | $59.95 |