#1 How do you change the HEPA filter on the Insignia 375 sq ft HEPA air purifier?
1. Turn off your air purifier. 2. Remove the filter cover on the back of the unit by pulling it out. 3. Remove the used HEPA filter. 4. Install a new filter Model: NS-APFM2 into your air purifier, then reattach the filter cover.