isinlive Blue Pure 311 Auto Replacement Fil-TER Compatible with Blueair Blue Pure 311 Auto Air Puri-Fier, 2 in 1 Fil-tration Systems, Particle and Activated Carbon, 2 Pack

PERFECT FIT: Premium Blue Pure 311 auto replacement fil-ters are compatible with Blueair Blue Pure 311 auto air puri-fier. (20.5 inches machine). NOTE: Not fit for 311 non-auto, not fit for 411 models | 2 LAYER FIL-TRATION: 311 auto replacement fil-ters compatible with blueair 311 auto machine have 2-in-1 fil-tration systems. Particle Fil-ter attaching to up to 99.97% of airborne particles. Activated Carbon fil-ter take in pet odors and VOCs | UPGRADED 311 FIL-TER: Our 311 fil-ter is exclusively designed for compatible with Blueair Blue Pure 311 auto air puri-fiers. Using a 360-degree air intake and up to 4x the fil-ter surface area as the Genuine Blue Pure 311 auto | SILENT TECHNOLOGY: We deliver high-quality, durable and long-lasting replacements, allowing the fil-ter to last longer with a collapsible design. Compare to HEPA fil-tration, we have a faster and quieter cleaning effect | EASY TO REPLACEMENT: 311 HEPA replacement fil-ter is easy to replace. It is tested for compatibility and service life and suggested to replace your 311 fil-ter regularly about every 6 months when used 24 hours a day to keep its peak performance | COST-EFFECTIVE INVESTMENT: Package included 2 packs of Compatible with blueair replacement fil-ters for 311 auto air puri-fier in a neutral white box. They are an efficient investment. If you have any problems, please contact us. Filter made of FSC-Certified paper