【Compatibility】Exclusively designed for Shark Air Puri-fier 4-Fan Models (HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415) to maintain its peak performance.It is recommended to replace filters for every 6-12 months.
【3-in-1 Filter System】Premium H13 Grade Ture HEPA Filter with Velcro + Activated Carbon Filter + Pre-Filter as a union. Keep your air fresh and clean. The carbon particles in our product are made from FSC-certified charcoal powder
【Package Includes】1 air purifier filter replacement & 2 replaceable pre-filter.Regular replacement of the pre-filter helps improve machine performance
【Tips】When the filter needs to be changed, the FILTER LIFE button on the top control panel will flash.After installing a new filter, press and hold the FILTER LIFE button for 3 seconds to reset the filter timing system. The unit will beep when filter timing is properly reset
【Warranty】100% refund or free replacement new product for any quality defect.If you have any questions, please contact us through Amazon and we will reply within 24 hours