<b><i>Nobody can be in good health if he does not have all the time fresh air, Lhari is a professional manufacturer which owns exquisite technology, bringing wellness and joy to your home is Lhari's mission, let's start breathing fresh air from Lhari!</b></i><br><br> Lhari is a trusted manufacturer for Quality Appliance Replacement Filters, Blueair 211 filter is designed to compatible with <b>blueair blue pure 211+ air purifier. </b><br> Please make sure it fits your device before purchase!<br><br> <b>Product feature:</b><br> The activated carbon layer helps reduce odors, smoke, chemicals, VOCs and more, it won't re-release particles or harmful odors back into the air.<br> True HEPA filter captures up to 99% of particles as small as 0.1 microns in size from your indoor air such as pollen, dust, pet dander, mold spores, bacteria and more.<br> Ture HEPA with activated carbon layer provides dual protection for you and your family!<br><br> <b>Product Specifications:</b><br> Item dimension: 11.7" L x 11.7" W x 11.7" H<br> Package: 1 filter included<br> Recommended to replace the filter on average 6 months or depend on usage!<br><br> <b>Disclaimer:</b><br> This is not an OEM product and is not covered under any OEM warranty. Any use of the brand name or model designation for this product is made solely for purpose of demonstrating compatibility.<br>