Description C-6402 Funnel, Pyrex, Squibb, Separatory, Pear-Shaped, Pyrex Stopper With PTFE Stopcock PTFE stopcock. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. Specifications Description:Complete Capac. mL:250 Standard Taper Stopper No.:22 PTFE Stopcock Stopcock Plug Size:4 Approx. O.D. x Length of Stem Below Stopcock mm:10×65 Approx. Total Length mm:311 Application Notes C-6402 For PTFE stopcock assembly, See No. 7681.For Standard Taper stopper only, See No. 7650.
