Keep your air purifier in top working order with a Smartmi air purifier 2 replacement filter. This filter is crafted to remove particulate matter from your space, capturing airborne particles like dust, pollen, smoke, and odours. And thanks to the downloadable app, you'll never have to guess when it's time to replace your filter, as the app sends a handy reminder. | Smartmi Air Purifier 2 Replacement Filter (ZMFL-2-FLP)