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Blue Pure 121 Particle Filter
Particle filters minimize allergy triggers, viruses, and bacteria for a healthier home environment with high filtration efficiency. Together with HEPASilent™ filtration technology, our particle filters remove 99.97% of airborne particles down to 0.1 microns, including pollutants such as pollen, dust, pet dander, mold spores, viruses, bacteria, fine smoke particles and more.
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.
Particle filter removes airborne pollutants and allergens such as pollen, dust, pet dander, mold spores, bacteria, viruses, fine smoke particles, and more.
Filter fibers resist bacteria and mold growth, to ensure you'll never put bacteria and mold back into the air.
This filter is recyclable, so the only thing you're adding back into the environment is clean air.
To maintain optimum performance, we recommend changing your filter about once every 6-months when used 24 hours a day.
The filter structure traps even the smallest particles and resists clogging to maintain maximum airflow.
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Filter TypePolypropylene fibers free of chemicals and binders. Fiber shedding resistant.
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Dimensions(HxWxD)495 x 295 x 295 mm
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Product weight3.3 kg
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Filter frame materialPaper
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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)
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Number of filters1
This filter is compatible with the original Blue 121 model.
Purchasing a filter subscription saves you time and effort. 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.