Stopcock, Rotaflow for Dropping/Seperating Funnel, B-19

* Rotaflow Stopcock have PTFE Key which do not require greasing.
* This PTFE Keys provide best drop control during titration process.
* Due to identical shape of PTFE key it Burette value can be closed with gentle turn.

Size : B-19
Pack of (Pcs) : 10