These elbow-style assemblies are based on the distillation methods first described by Jim Mattinson in Analytical Chemsitry 44 (1972) 1715-16.  These units will require a heating source (heat lamp or tape) and a water source for cooling/condensing, and we also recommend a wrench set. Additionally, a suitable support stand will be required for each assembly.   Please note that Savillex does not supply heating sources or support stands.