45i Replacement Filter Compatible with Alen BreatheSmart Flex Bh400 & 45i Pure Air Purifier, Compared # B4-Fresh/FL40-Silver-Carbon, 3-in-1 HEPA Filter + 4 Pcs Activated Carbon Pre Filter

45i Replacement Filter Compatible with Alen BreatheSmart Flex Bh400 & 45i Pure Air Purifier, Compared # B4-Fresh/FL40-Silver-Carbon, 3-in-1 HEPA Filter + 4 Pcs Activated Carbon Pre Filter

• 【Compatibility】: The filter is Only compatible with Alen BreatheSmart Flex Bh400 & 45i Pure Air Purifier. Please check your model number before placing the order.
• 【High Effective Filtration】:3-Stage HEPA clean up to 99.97% of particles as small as 0.3 microns. household dust, pet dander, and so on.
• 【Cost-effective Packages】: Includes 1 pack 3-Stage HEPA filtration (Pre-Filter + HEPA Filter+Activated Carbon Filter) also 4 pack extra replacement pre-filter
• 【Highly Recommended】: To your machine performance peak, you need to change the air filter once every 9-12 months, and Pre-filter every 3 months.
• 【We Treasure Our Customers】: Once you have any questions about our product, please feel free to contact us, and we will solve them for you within 24 hours.