This part is a face plate drain plug for Aqua-Flo pumps.. It does not come with an O-Ring you will find the link to that below..
Aqua-Flo Pump, Drain Plug, O-Ring Xp2, Xp2e, XP3, 7/16" ID, 3/32"
Note: The Style of this part can vary but they will all fit your application..
