回复：赶快抓住再问，怎么卸呢？好象挺复杂，我们是否先买一个回来？有没有尺寸问题？谢谢你。

you can go up to the attic to take it off, should be four screws, if you don't have an attic, you may take it off from inside the bathroom, but you will have much more screws to take it off