Smart Filtration, you can trust

• Blue Pure 311i+ Max replacement pre-filter

  Designed specifically for Blue Pure 311i+ Max.

  
  Find the name of your air purifier on the label inside your air purifier.

• Designed to fit into any lifestyle

  5 different Scandinavian inspired colors allow you to personalize your air purifier to seamlessly blend into your home by complimenting your interiors.

  Stockholm Fog pre-filter color included.

• Quickly and easily change your pre-filter

  Our washable fabric pre-filters extend the life of primary filters, catching large airborne particles such as dust, lint, pollen, and pet hair. They're colorful too, and can be customized to compliment your space.