Middle Valley Clear 5/16" Arc Barbed Spout
Middle Valley Clear 5/16" Arc Barbed Spout. The Barbed end goes into the tree for a better seal without blocking off so much wood in the tap hole. It is for 5/16" tubing and takes a 5/16" tap hole.
Designed and tested by UVM Proctor Maple Research Center.
Check it out on YouTube: https://www.youtube.com/watch?v=kUTd_JTqDCc