PTFE Stopcock, Buret, Glass Tip, Borosilicate Glass Sidearm

This product features a pure PTFE body and plug and combines all the desirable properties of the Ultimate Laboratory Stopcock; Medium vacuum pressure performance, unbreakable, inert and grease free. Plug cannot be accidentally withdrawn and have easily connected sidearms in glass or PTFE to give inert vacuum and pressure tight seals. Stopcocks for use with burets have glass or unbreakable polypropylene tips. Supplied with borosilicate glass side arms.