This is used, but looks to be in great condition. I can't find any marks on the flange, I have no idea who made it or what it's for.

Disclaimer - Seller not responsible for any damage to life, limb, or property due to this device.  Buyer must test this device to ensure it functions properly before its use.  If unit is found malfunctioning this seller will offer money back.  

Will ship free.....

 please ask questions.