<p><b>Features:</b></p> <p>1. The air purifier filter is compatible with Blueair Blue Pure 211+ and MAX air purifier ONLY.</p> <p>2. It features high-efficiency 2-in-1 filtration systems. Particle filter captures 99. 97% of airborne particles as small as 0. 3 microns, removing dust, pet dander and so on. carbon filter absorbs household odors from pets, smoking, cooking etc. Largely improve indoor air quality.</p> <p>3. Free your hands from the complicated replacement steps. No extra tools needed. Changing the consumable replenishment 211+ filter every 3~6 months for better protection of your air purifiers.</p> <p><b>Why do you need to replace filter replacements regularly?</b></p> <p>You live in a home, apartment, trailer or any enclosed space.</p> <p>You have a new baby or are pregnant.</p> <p>You have pets.</p> <p>You live near a major road or industrial facility</p> <p>The replacement filter is essential for households with Children, Seniors, Pets and smokers, no more nasty smells in your house. Enjoy fresh air at home.</p> <p><b>Package Includes:</b></p> <p>1 X Premium Replacement Filter</p> <p><b>Disclaimer:This is NOT a Blue Pure OEM product. The Blue Pure brand names and logos are the registered trademarks of their respective owners. Any use of the Blue Pure brand name or model designation for this product is made solely for purposes of demonstrating compatibility.</b></p>