4" Copper Tri Clamp Weld Ferrule
**These copper weld ferrule's are 1-1/8" long. These are perfect for soldering, brazing or welding to a 4" copper distilling column****. These ferrules are made so that 4" copper ferrule will slide up inside DWV copper pipe.**
**These copper ferrules can also be butt welded to copper pipe type M, L and K**
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