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- Perfect Compatibility: Blue 511 Filter is perfectly compatible with Blueair Blue Pure 511 air purifier, Note: Only compatible with Blueair Blue Pure 511 Air Purifier
- High Quality Material: Blue 511 replacement filter 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 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.
