This Blueair 3210 pre-filter is an essential accessory for your air purifier. It captures dust, pollen, pet hair and other particles before they reach the more advanced filters. A clean pre-filter ensures that your air purifier performs optimally and lasts longer. The pre-filter is easy to replace and should be replaced regularly depending on usage intensity and air quality. Invest in your air purifier's efficiency and your well-being with this Blueair pre-filter.
