The column and receiver joints are 14/20 with a 10/18 thermometer joint, two 2 mm glass stopcocks, PTFE 0-3 mm metering valve. Removable condenser cold-finger for easy cleaning.. Overall Height: 260 mm. Immersion Depth: 50 mm. Sold in each. . . Sigma-Aldrich Z413097-1EA Aldrich Micro Distilling Splitter Head Jacket, 260mm Overall Height. Country of Origin : United States. Part Number : 1190Y61EA. Pack of : 1.