Fudan Shenhua air purifier really doesn't need to change the filter element.

The answer is that formaldehyde mesh and voc filter really need to be replaced. Fudan Shenhua is a semi-consumable, and I like to have a reply at the bottom. That's just a sales method for businesses. Consumers actually know very little. When you buy it and finally use it, you basically accept it by default ... To be clear, Fudan Shenhua does not produce air purifiers. To put it bluntly, it is a shell company, and its products are OEM by other factories. There is no technical patent in itself, but Fudan University and Shenhua Football are hung, so it looks like Niu Niu. Actually, it has nothing to do with money. ......