BLUEAIR Blue Pure 411 Max Series AllergenBlock Filter, Genuine Replacement Blueair Filter, Allergies Pollen Dust Pet Dander,411 Max Series Filter Fits Blue Pure 411i Max and Blue 411a Max Air Purifier

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 411i Max Series AllergenBlock Blueair filter is designed for optimal performance; Compatible with 411i Max and Blue Pure 411a Max air purifiers 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, Weight: 1.1904962148 pounds, Manufacturer: Blueair