This is a basic short path distilling head. When a standard taper thermometer is inserted in the top of this apparatus, the bulb and stem serve as column packing. Close-coupled condenser and vacuum connection offer an extremely short condensate travel path. Basic. Height x Width: 108 x 98mm. Standard Taper Joints: 19/22. Thermometer Joints: 10/18. Hose Connection Number: 1. Kimble Chase #: 287110-0000.