Support Home Chemistry Stoppers 2-Hole Stoppers STP-200 QuestionWhat size are the holes in these stoppers? AnswerThe medium & larger size bungs have holes of approx. 5mm diameter. The most suitable glass or plastic tubing to use with these is 6mm diameter. N5 rubber tubing (5mm bore) fits well onto 6mm glass tubing. Click to see the product in detail 2-hole stoppers Was this article helpful? Yes (0) No (0) Related Questions Rubber Stoppers QuestionWhat is the temperature range that these can be used at and are they auto...
QuestionWhat size are the holes in these stoppers? AnswerThe medium & larger size bungs have holes of approx. 5mm diameter. The most suitable glass or plastic tubing to use with these is 6mm diameter. N5 rubber tubing (5mm bore) fits well onto 6mm glass tubing. Click to see the product in detail 2-hole stoppers
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