already have the garabe disposal on the old sink, jsut going to transfer it to the new sink, so i am pretty sure i already have that y pipe....
i think i have some plumbers putty, i will be putting some on there then.... it is actually my FILs plumbers putty, but, it's at my house so it's mine
![Wink ;)](https://board.marlincrawler.com/Smileys/marlin/wink.gif)