3 Packs 411 AllergenBlock Filter Compatible with Blueair Blue Pure 411, 411+, 411 Auto and Mini Air Cleaner Purifier, Blue

1. BOOST ALLERG-EN PROTECTION: Enhance your allerg-en defen-se: The AllergenBlock layer helps deactiva-te over 90% of allergy-triggering particles like dus-t, poll-en, and pet dand-er that may cause irritati-on | 2. UPGRADE YOUR DEFEN-SES: Strengthen your air protection: The AllergenBlock filter for the Blue Pure 411 Auto Series is built for optimal performance and works with 411, 411+, and 411 Auto models | 3. SNEEZE-INDUCING ALLERG-ENS: Three-stage filtration targets sneeze-inducing allerg-ens: The AllergenBlock layer captu-res and neutrali-zes over 90% of pet dand-er, dus-t, and poll-en, while the carbon layer helps absorb common household odors | 4. AUTOMATED FILTER REPLACEMENT: Convenient filter replacement: For best results, replace your filter every six months when used continuously to maintain effective air cleaning | 5.VALUE PACKAGE: Including 3 packs of 411 replacement filters of great quality and low cost for you and your family