Blue Sky Filter company is a professional China air filter manufacturer.
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Active Carbon Cartridge HEPA Filter Fits for Xiaomi 1/2 / 2s / Pro Air Purifier Filter Parts

  • BS428

  • Blue Sky Filters

  • 8421991000


Air Purifier Filters

Xiaomi Air Purifier Filter

Part Name            Active Carbon Cartridge HEPA Filter Fits for Xiaomi 1/2 / 2s / Pro Air Purifier Filter Parts
Part NO.  BS428
Sizes  Outer Diameter:200mm 
To Fit  Compatible with xiaomi Air Purifier 1/2 / 2s / Pro HEPA + Activated Carbon Filter, Double Filtration.
Colour   Blue and White (Customized)
Structures  Double Filtration HEPA + Activated Carbon Filter
Filtering Efficiency Grade  H11,HEPA Filter (Customized)
Special Properties  Formaldehyde in Addition to the Particles PM2.5 Enhanced Version Millet Air Purifier Filter.
Packaging  (Customized)

Special Properties

Quadruple Purification Effect with Brilliant Absorption Ability
Suitable for Xiaomi Mi Purifier, Xiaomi Mi Purifier 2, Xiaomi Mi Purifier Pro
We Suggest You Replace the Filter Every 3 - 6 Months

2022 New Mi Active Carbon HEPA Filter Fits for Xiaomi 1/2 / 2s / Pro Air Purifier Filter Parts2022 New Mi Active Carbon HEPA Filter Fits for Xiaomi 1/2 / 2s / Pro Air Purifier Filter Parts

Active Carbon Cartridge HEPA Filter Fits for Xiaomi 1/2 / 2s / Pro Air Purifier Filter Parts

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*This is not a OEM product. The brand names and logos are the registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.

2022 New Mi Xiaomi Air Purifier Filter

Purple Filter Antibacterial Version for Xiaomi Mi 1 2 2s Air PurifierGreen Filter Formaldehyde Enhanced Version Version for Xiaomi Mi 1 2 2s Air Purifier

Air Purifier filter

Nanjing Blue Sky Filter Co.,Ltd.

Nanjing Blue Sky Filter Co., Ltd. was founded in 2009. Blue Sky manufactures and sells various types of air filters and has expanded the product range to water filtration products, kitchen filtration products, and automotive filtration products etc. The company's products are exported to international markets of 48 countries.

Since its establishment, Nanjing Blue Sky Filter Co., Ltd. has steadily grown and has obtained ISO9001 and ISO14001 certifications. Blue Sky has been recognized as a National High-Tech Enterprise and hold multiple 8patents and quality inspection reports. Blue Sky boasts a modern standardized workshop, advanced production equipment, well-designed production lines, strict quality control, and a management system to ensure that customers receive the best cooperation and service. All true high-efficiency filters are produced in a standardized dust-free workshop. We also have a comprehensive and advanced testing laboratory to ensure the high-quality performance of HEPA filters.


Blue Sky’s filtration products are produced with various environmentally friendly materials and advanced production facilities to meet customized specifications and some special requirements. Blue Sky’s filtration products strictly adhere to domestic and international standards, such as EN779 and EN1822 etc.

Blue Sky’s technical team excels in developing various new filtration products for many appliances and machines, residential, commercial, and industrial applications. 


Blue Sky has a well-trained, highly qualified team of engineers and a sales team dedicated to market and customer service. We provide integrated services to customers worldwide, not only offering mature filtration products but also designing and developing new filtration products for our customers. We are confident that with our production capabilities and experience, we can help customers gain a competitive advantage.


Blue Sky‘s motto is to be a eco-friendly and sustainable company, providing customers with competitive high-quality filter products, and growing together!

Why Choose Us

1、Integrated Manufacturing and Logistics: Offers comprehensive services from production to shipment.

2、Extensive Product Line: Covers air, water, kitchen, and automotive filtration products.

3、International Quality Certifications: Holds ISO9001, ISO14001 certifications, and multiple patents.

4、Customized Services: Provides customized solutions for special specifications and requirements.

5、Global Service: Products are exported to more than 45 countries and areas, with rich international service experience.

6、Advanced Production Facilities: Standardized dust-free workshops and strict quality control.

7、Continuous Innovation: Constantly developing new products to maintain technological leadership.

8、Professional Team: Well-trained engineers and sales team offering support.

9、Eco-friendly and Sustainable: Committed to using environmentally friendly materials and sustainable development.

10、High Customer Loyalty: Quality products and services earn customer trust.

Air Purifier Filter Parts for Xiaomi

Xiaomi Air Purifier HEPA Filter

Xiaomi Air Purifier HEPA Filter

1. Can the product be customized?

Yes, both the product and the packaging can be customized.

2. How to pay?

Our company accepts various ways of payment, such as T/T , L/C etc.

3. How long is the delivery time?

It depends on the order quantity. USually it takes about 30 days to produce a full 20' container.

4. Do you arrange the shipment?

Yes, our company can arrange the shipment to deliver the goods according to the client's customer's requirements.

5. What about the after-sales service?

Our company is responsible for the supplied product within its usage life.

Please feel free to send your designs and samples for our company to cooperate with you!

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