Modular PTFE Straight-Bore Stopcock

This Eisco Labs PTFE straight bore modular stopcock is a replacement part compatible with any burette that uses a modular straight bore interchangeable stopcock. The PTFE construction is unbreakable, chemically inert, and provides good vacuum and pressure performance. The high-quality PTFE material does not require grease and maintains a reliable seal. Suitable as a replacement for worn or damaged burette stopcocks in educational and professional laboratories.