Name: Mac Still here (Zone 6a) Ex zones 4b, 8b, 9a, 9b
Steel conduit, EMT, might be an option though I've never tried it. Comes in 10' lengths and a variety of diameters. I hope you can find what you need Jeanne.
Slava Ukraini!
The aboriginal peoples and many cultures throughout the world share a common respect for nature and the universe, and all of the life that it holds. We could learn much from them!