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Blue Pure 121 Extra Protection Particle + Carbon Filter
A layer of activated carbon pellets absorbs heavy gases from your home environment, including those caused by off-gassing, volatile organic compounds (VOC), smog, chemicals, and annoying household odors from pets, smoke, and cooking.
Unlike generic look-a-likes, genuine Blueair replacement filters are specifically designed to maintain superior performance over time and ensures your warranty remains intact.
When it's time to replace your filter (about every six months), start by unplugging your air purifier. Gently press the release buttons on either side until you hear a click, and lift off the top. Remove the old filter and replace it with a new one. Replace the top portion of the air purifier -it will click when it's in place- and plug back in. Easy.
Our unique HEPASilent™ filtration technology allows our filters to be less dense. Less dense filters require less air pressure— resulting in quieter and more energy efficient air purifiers.
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.
In deodorization testing, the Blue Pure 121 Extra Protection Filter removed over 90% of airborne ammonia within one hour¹.
¹Deodorization performance used ammonia as an odor indicator; testing carried out by Guangzhou Testing Center of Industrial Microbiology, China, and The Guangzhou CAS Test Technical Services Co., Ltd, China, according to the methods described in the Chinese standard GB/T18801-2015 and the Japanese standard JEM 1467-2015.
This filter is recyclable, so the only thing you're adding back into the environment is clean air. Please check your local recycling facilities for availability.
To maintain optimum performance, we recommend changing your filter about once every 6-months when used 24 hours a day.
The gradient filter structure traps even the smallest particles and resists clogging to maintain maximum airflow.
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Filter TypeCarbon + Particle filter. Activated coconut shell carbon pellets in honeycomb envelope. Non-woven Polypropelyne fibers. Free of chemicals and binders. Fiber shedding resistance.
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Dimensions(HxWxD)20.1 x 20.7 x 3.1 in in
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Product weight7.28lbs
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Filter frame materialABS
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Filter recyclingYes, please check your local recycling facility for availability.
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Recommended filter change6 months (4,380 hours) when used 24 hours a day
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Number of filters1
This filter is compatible with the Blue Pure 121 model.
Purchasing a filter subscription saves you 15% on all future replacement filter orders + free shipping and extends your limited 1-year product warranty to a lifetime warranty for as long as you remain a subscriber. 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.
This filter features highly-porous, activated carbon pellets for extra protection against harmful gaseous pollutants like odors, smog, exhaust, volatile organic compounds (VOC), smoke odors, and chemicals. The Combination Particle + Carbon filter uses an activated carbon mesh sheet, designed to remove light household odors and chemicals.