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3973-30, Valve stem,connecting tubes,PTFE,0-20mm
Borosilicate glass connecting tubes for side receiver assembly on R220 rotary evaporators. Include right and left branching pieces for both double and single receiving assemblies. Ace-Thred valves with Kalrez o-rings are a significant design improvement. Available in either plain glass or with safety poly-coating. Supplied with CAPFE o-rings on the inner ball joints.
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