Blueair Blue Pure 311 Auto Replacement Filter, 2-Pack

PERFECT FIT: - Compatible with Blue Pure 311 Auto Air Purifier: ImproveHand Blue Pure 311 auto filter replacement is specifically designed for Blueair Blue Pure 311 auto air purifiers, ensuring a perfect fit for machine model 20.5 inches. Not compatible with 311 non-auto or 411 models. Verify your air purifier model before purchase.

TWO-LAYER DESIGN: - High-Efficiency 2-in-1 Filtration System: Each Improvedhand 311 auto replacement filter features a True HEPA Filter and an Activated Carbon Filter, capturing up to 99.97% of airborne particles, including smoke and pet dander. - Odor Elimination: The activated carbon filter effectively removes household odors from pets, smoking, cooking, and VOCs, ensuring fresher, cleaner air.

UPGRADED 311 FILTER: - Enhanced Compatibility: Tailored for Blue Pure 311 auto air purifiers, these filters offer a 360-degree air intake and a 4x greater filter surface area compared to other models. - Robust Testing: Improvedhand's filters have undergone rigorous testing to ensure compatibility and longevity, providing reliable performance for your air purifier.

VALUABLE PACKAGE: - 2-Pack Replacement Filters: Purchase 2 filters to ensure continuous air purification and better protection of your air purifier. - Replacement Frequency: Replace your filter every 3-6 months or based on your usage to maintain optimal air quality.

AFTER SALES: - Customer-Centered Support: Improvedhand is committed to providing a simple, streamlined shopping experience for filter replacement parts. We prioritize product orientation and are customer-focused. - Quality and Compatibility Warranty: Within 90 days of purchase, any quality or compatibility issues can be addressed. Contact us 24/7 for prompt service and problem-solving assistance.