after using for sometime, I decided to open it up. it's a very simple design with no filter. with a weight to stable the base and a negative ion release just beside the white connector. there's a simple 5v fan. for the price , it's kinda expensive... but that me...what do u think.?

after using for sometime, I decided to open it up. it's a very simple design with no filter. with a weight to stable the base and a negative ion release just beside the white connector. there's a simple 5v fan. for the price , it's kinda expensive... but that me...what do u think.?

after using for sometime, I decided to open it up. it's a very simple design with no filter. with a weight to stable the base and a negative ion release just beside the white connector. there's a simple 5v fan. for the price , it's kinda expensive... but that me...what do u think.?

It works well in small area such as in a 4 seat car or 7 seat car.

It works well in small area such as in a 4 seat car or 7 seat car.

It works well in small area such as in a 4 seat car or 7 seat car.