BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier

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BOOST ALLERGEN PROTECTION: AllergenBlock defense layer neutralizes over 90% of the allergen properties such as sneeze-inducing dust, pollen and pet dander that can trigger discomfort*
UPGRADE YOUR DEFENSES: Blue Pure 311i Max Series AllergenBlock Blueair filter is designed for optimal performance; Compatible with 311i Max and 311i+Max air purifier*
SNEEZE-INDUCING ALLERGENS: Four layers of air purifier filtration; AllergenBlock defense layer neutralizes over 90% of pollen, dust and pet dander on the Blueair filter; Carbon layer reduces light household odors*
AUTOMATED FILTER REPLACEMENT: Subscribe and save up to 10% on auto-delivered filters when replacement is needed; When used 24 hours a day, your Blueair filter should be replaced every 6 months to effectively reduce airborne pollutants and allergens
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