Originally Posted by jonnyc21
Have parts list I can use to make one? if not place you picked it up?
Sorry I missed your question.
The tube is 3" PVC with a cap glued on, painted black and a pressure test plug on the other end, all available at the hardware store. The plate is the remnant of an old street sign. The clamps come from McMaster-Carr; search for cushion clamps and select the size to fit the OD of your pipe.