COLZER EPI-186 Air Purifier Replacement Filter HEPA Filter With Composite Filter

Filter Replacement:?There is a Filter replacement button on the operator panel, please operate here.?When the filter reset indicator light is on, it reminds you to replace the filter nets. When finished replacing the filter nets, Please press the filter reset button for 3 seconds, and the filter reset indicator light will be off. Applicable models: Colzer EPI-186 air purifier,  ASIN:B07XLJTPNM. Package Content:Composite filter X 1?Air purifier is not included?.