Compatible Model: Our HE401 replacement filter are perfectly Compatible with Shark Air Purifier 4. Please check your air purifier carefully to make sure it is the correct filter, thank you
Effective Filtration: Our filter includes a 2-stage filtration system: Activated Carbon Filter and H13 True Hepa Filter. The activated carbon filter physically absorbs unwanted odors and fumes, such as cooking smells, smoke, and pet odors
Premium Quality: Our HE400 filter are made of premium non-woven fabric and activated carbon, both adopting advanced lower energy consumption and low-density structure technology
Easy to Install: It is easy to install the HE400 filter, no tools required. Simply take out and replace from your machine unit when needed
In order to improve the performance of the air purifier, please replace the carbon filter every 6~8 months
