I would not provide this.

It is easy to install, but later it can leak. Once I fixed a leaking water piple. 

two choices: tell them no. 

or if you really want them. ask them to install themselves and take care of it. 

所有跟帖： 

• 你说的有道理。我前几天的回话是：让我打听一下。还有我每月到贴钱日子不好过。 -煎饼加油条- ♀ (0 bytes) () 09/13/2012 postreply 19:40:30