✅【PERFECT FIT】Compatible with 𝐁𝐥𝐮𝐞𝐚𝐢𝐫 𝟑𝟏𝟏 𝐀𝐮𝐭𝐨 air purifier
❎【NOTE】𝐍𝐎𝐓 compatible with Blue Pure 311. ( Blueair 311 Auto and Blueair 311 are different models that use different-sized filters)
【True Air Filter】Our 311 Auto replacement filter made of air filter and a high-efficiency activated carbon filter for good clean filtration and performance
【OPTIMAL PERFORMANCE MAINTENANCE】For the ongoing top performance of your Blue Pure 311 Auto Air Puri-fier, based on actual usage the filter should be replaced within 9 months
【SUPERIOR QUALITY】311 Auto 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)
