About This

• Perfect Compatibility: This item is perfectly compatible with Blueair Blue Pure 511 machine, Note: Only compatible with Blueair Blue Pure 511.
• High Quality Material: 511 replacement filter compatible for Blueair is made of high-quality non-woven activated carbon and can adsorb 99.99% of air particles (with a diameter as small as 0.03 micrometers), bringing a healthy environment to your family.
• 2-in-1 Efficient Filtration：Blue Pure 511 Filter replacement adopts double-layer filtration technology, which absorbs pet plush、household waste, volatile organic compounds and smoke components through pre filters and carbon filters, providing fresh air for your family.
• Installation and Regular Replacement: Simply remove the packaging to replace the old Blue 511 filter without any tools. Recommended to regularly replace the Blue Pure 511 filter within 4-6 months to maintain The Freshness And Cleanliness Of The Machine.
• Customer Service: Including 2 cost-effective Blue Pure 511 replacement filters, If you have any problems with the filter fitting your air purifier, please contact us through our Amazon home page, we will reply ASAP in 24 hours.