2 Pack 121 Replacement Filter Compatible with Blue Pure 121 A-ir Puri-fier, 2-in-1 HEPA Filters Parti-cle and Carbon Replacement Filter, Fits Blue Pure 121

["【PERFECT Fit】Premium 121 Replacement Filter with Particle & Activated Carbon, Perfectly Compatible with Blue Pure 121 Air Purifier. Important Note: Designed exclusively for Blue Pure 121. Please verify your air purifier model before purchase.","【Premium Replacement Filter】Specially designed for Blue Pure 121 air purifier, our 121 replacement filter is crafted from premium non-woven fabric and high-grade activated carbon. Boasting outstanding durability and a longer service life, it features a flexible collapsible design for easy handling. Effortlessly bring lasting fresh, clean air to your living space.","【2-in-1 Dual Filtration Technology】Engineered with a 2-stage purification system, this Blue Pure 121 replacement filter removes 99.97% of tiny 0.3-micron pollu-tants like pollen, dust and pet dander. The improved carbon elevate your home’s air quality to a whole new level!","【EASY INSTALLATION & MAINTENANCE】Replacing your old, worn-out filter is quick and effortless — simply remove the used one and install our new Blue Pure 121 replacement filter. Please confirm your original filter is collapsible and slides into a metal cage for proper fitting. For optimal air purifier performance, it is recommended to replace the filter every 6 months.","【RELIABLE AFTER-SALES SUPPORT】Each package include 2 piece of Blue Pure 121 replacement filter. We always prioritize customer experience and satisfaction. Should you encounter any fit or compatibility issues, feel free to reach out to us via your Amazon store page. Our support team will respond within 24 hours. This filter is crafted with FSC-certified paper materials."]