the spiral groove standard pipe size diameter 3/8." At this point, the spiral groove tube thick that we have only one size is 3/8."
can be described as follows: at the bottom of pictures
from a picture I think that it can be used to work with your coil.
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![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)