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Limestone
Blue Pure 211i Max Pre-Filter

Color: Limestone

$12.99

Recommended

Blue Pure 211i Max Filter

AllergenBlock

$89.99

Blue Pure 211i Max Filter

Particle + Carbon

$69.99

Blue Pure 211i Max Filter

SmokeBlock

$84.99

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Arctic Trail
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Blue Pure 511 Pre-filter

$6.99

Compatible with Blue Pure 511

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Arctic Trail

  • Free & fast shipping
  • 30 day home trial
  • Free extended warranty

Smart Filtration, you can trust

Proud to be a Certified B Corp

As a B Corp, we’re part of a global community of businesses that meet high standards of social and environmental impact.

Meet our filters

  • Particle & Carbon

    Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke

  • SmokeBlock

    2x more activated carbon than our original filter. Removes up to 99.99%³ of wildfire smoke

  • AllergenBlock⁵

    Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander