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Compatible Model: The true HEPA air purifier filter replacement is ONLY compatible with Blue air Blue Pure 311 & Blue air 3410 Air Purifier (Please confirm your air purifier model before buying!)
Package includes: 1 pack high quality air purifier filter. Easy to install and replace, click into place without any tools
High Efficiency Filtration System: The filter consists of fine pre-filter, high quality True HEPA filter and high efficiency activated carbon filter. The pre-filter filters out dust, hair and pet fur. The activated carbon filter absorbs smoke and pet odours
Suggestion: To maintain the best performance of the air purifier, it is recommended to replace the filter every 4-6 months. Snap on, easy to install and replace, no tools required
High Quality Service: If you have any questions, you can contact us by email. We offer high-quality products and excellent customer service

Perfect Compatibility:
The true HEPA air purifier filter replacement is ONLY compatible with Blue air Blue Pure 311 & Blue air 3410 Air Purifier (Please confirm your air purifier model before buying!)
High Quality:
This HEPA filter is made of high quality materials that can effectively filter fine particles in the air and improve air quality
Suggestion:
To maintain the best performance of the air purifier, it is recommended to replace the filter every 4-6 months. Snap on, easy to install and replace, no tools required. Please first remove the filter from the plastic bag and then place it in the air purifier.