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This ingenious all glass and PTFE design cleans five NMR tubes of the same, or various, lengths and diameters. The PTFE adapter has five positions with flexible 1/8 PTFE tubing supplied in 9" lengths that can be cut to the desired height. The NMR tube is placed over the tubing and seats in the adapter, leaving a small space between the end of the Teflon¨ tubing and the inside bottom of the NMR tube. With the stopcock in the closed position, the reservoir is connected to a low vacuum source. Cleaning solvent is added into the adapter followed by air drying to complete the process in seconds. The flexible tubing and adapter design reduces breakage. The stopcock at the bottom permits easy draining of solvent. The vacuum hose connection is 10mm at the largest serration.