There are tight tolerance to deal with. Section one and the PVC provided was an issue.
Interfacing with the ladder line and coax was changed to a Palamar current balun with that interface providing better performance than the 5 chokes and recommended adapter.
Lightning arrestor has to be non blocking for the antenna to work.
The material was well shipped and excellent quality.
The online support material for assembly is great along with customer service. All questions answered!
Other customers that purchased the product and published on YouTube never responded to questions.
I am on YouTube with more detailed review.
https://www.youtube.com/watch?v=7v3c8oTbpdE
I am most satisfied with with the product and highly recommend it.
Just remember the final design may not be exactly as the manufacturer intended and you need to be flexible in alternative designs the accomplishes the final goal!