This Kontes® distillation head with a condenser is sealed to the vertical tube. A standard taper 14/20 outer joint on the vertical tube can be converted to a thermometer joint using a size 21 bushing adapter. The height of this joint is fixed in relation to the side arm, permitting use of 25mm immersion thermometers. Medium length. Height x Width: 120 x 200mm. Standard Taper Outer Joint: 14/20. Condenser Joint: 14/35. Hose Connection Number: 1. Thermometer Immersion: 25mm. Kimble Chase #: 286900-0000.