Grossl Engineering Eyeball Vent for the Christen Eagle II

This is a quick video on the assembly, installation, and operation of the Grossl Engineering Eyeball vent for the Christen Eagle II. If you are interested, you can purchase at the below link.
i.materialise....
You can also get to my Facebook page at: / grosslengineering
And see my other items for sale at:
www.shapeways....