Aldrich^® System 45^® vessel with side port and fritted disc 

Cylindrical vessel has a GL 18 threaded side port and sealed top and bottom, coarse porosity, fritted discs located to minimize dead space. Top and bottom PTFE plug-style valves reduce the potential for breakage associated with glass stopcocks.
2mm PTFE valves require 1/4-turn to open or close. Valve stems have a 1/4-28 I.D. thread while the O.D. is sized for a 3/8 in. compression fitting.
Complete with two 2 mm PTFE valves and side port cap.

Aldrich is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.

System 45 is a registered trademark of NDS Technologies, Inc.