DREO Air Purifier 539/539S (DR-HAP009/DR-HAP009S) White Genuine Replacement Filter, Supports HEPA Sleep Mode, 3-in-1 Filter for PM2.5, Smoke, Odor, Dust & Pollen,1 Pack (Replacement Filter Only)

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• 𝐆𝐞𝐧𝐮𝐢𝐧𝐞 𝐃𝐫𝐞𝐨 𝐅𝐢𝐥𝐭𝐞𝐫: Designed exclusively for DREO Air Purifier 539/539S White (DR-HAP009/009S White) Series, the genuine DREO replacement filter ensures precise compatibility and helps maintain powerful purification performance while supporting optimal device operation and extending the lifespan of your air purifier.
• 𝐐𝐮𝐢𝐞𝐭 𝐇𝐄𝐏𝐀-𝐆𝐫𝐚𝐝𝐞 𝐒𝐥𝐞𝐞𝐩 𝐌𝐨𝐝𝐞: When paired with DREO Air Purifier 539/539S White (DR-HAP009/009S White), this filter achieves HEPA-grade efficiency in Sleep Mode—capturing 99.97% of particles as small as 0.3μm.¹ Combined with ultra-quiet operation at just 18 dB,² it creates a peaceful environment for restful sleep and relaxation. ¹HEPA-grade performance tested in Sleep Mode per IEST-RP-CC001.7 by an independent ISO 17025-accredited lab at Sleep Mode. ²Tested by a third party using Air Purifier 539 (DR-HAP009) at the lowest fan setting.
• 𝟑-𝐢𝐧-𝟏 𝐅𝐢𝐥𝐭𝐞𝐫 𝐒𝐲𝐬𝐭𝐞𝐦: The 3-layer filtration system targets different types of airborne pollutants: the washable pre-filter captures hair, lint, large dust particles, and debris to extend the life of the main filter; the high-efficiency filter captures fine particles including PM2.5, pollen, fine dust, and smoke; the activated carbon layer with VOC-reactive media helps reduce pet odors, cooking smells, and VOCs for fresher indoor air.
• 𝐒𝐦𝐚𝐫𝐭 𝐅𝐢𝐥𝐭𝐞𝐫 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠: DREO Air Purifier 539/539S White (DR-HAP009/009S White) intelligently calculates remaining filter life based on usage time, fan speed, and surrounding air quality, then provides timely replacement reminders. This helps prevent unnecessary early replacement while reducing performance loss caused by using an overdue filter, making filter maintenance easier and smarter.
• 𝐀𝐥𝐥-𝐑𝐨𝐮𝐧𝐝 𝐀𝐢𝐫 𝐏𝐮𝐫𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Whether you have pets, seasonal pollen, household dust, cooking odors, or smoke concerns, DREO filters help support a fresher home environment. Designed for various everyday scenarios, they help address seasonal pollen, wildfire smoke particles, renovation odors, and musty smells caused by humid conditions.