Blue Pure 411 Series SmokeBlock FilterCompatible with Blue Pure 411 • 411+ • 411 Auto; Not compatible with Blue Pure 311 Auto • 311
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Additional activated carbon removes 99.99%². of wildfire emissions for extra protection against smoke, toxic gasses, smog and odors.
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.
The ultimate tool against wildfire season. Additional activated carbon removes up to 99.99% of wildfire smoke* along with extra protection against other wildfire emissions such as toxic gasses, smog and odors**
The particle filter layer helps to minimize the airborne particles that can trigger allergy symptoms, including pollen, dust, mold spores*, pet dander, viruses*, bacteria*, and fine smoke particles.
To maintain optimal 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.
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.
²In 60min. Tested on PM 0.4-0.7 um (GB/T 18801-2015).
•Tested on E.coli, Influenza A (H1N1), A.niger with minimum reduction of 99.9% in 60min