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Can you attach a photo of the area you are talking about? I am attaching a link to the kind of tubing you use here. http://www.rvpartscountry.com/Red-Coil-Tubing.html
Just checking back in to see if perhaps you missed my earlier response to your question? Please get back to me if you need more input from me in order to resolve this issue. All of the follow ups and exchanges are included in our fee and a phone option is available if you think that would be more helpful here.