Powerless Air Purifier Air can be used for a year (depending on the number of floors) without requiring power. The design is easy and easy to install in any place, so it is recommended to install it anywhere in the office, children's room, living room or car.
How to use: Check the components (airterior exterior box + solid oxygen pack) Check and tear off the solid oxygen vacuum pack. Open the exterior box and place the solid oxygen pack in the inner groove. Lastly, you can put it where you want it.
