Replacement borosilicate glass components for Buchi® R-220, R-220EX, and R-220SE rotary evaporators

Lower distribution heads offer improved design with easy to use Ace-Threds, PTFE stem valves. The PTFE valve stem (89215-214) includes three Kalrez O-Rings. Stems are replaceable. Available poly-coated or plain, non-coated. Upper joint is DN40 outer ball joint. Red caps (included) are GL-14 thread. Black cap (included) is SVL-15 thread.