SS Brewtech Sight Glass - 1.5 TC
This high quality sight glass from SS Brewtech is a 1.5" TC in-line sight that allows viewing of the wort as it is transferred.
The entire unit is easily disassembled for easy cleanup.
It can also be used as a yeast collection container. To accomplish this, attach it to one of your dump ports, and seal the other end with a 1.5" TC cap.