Clear Screw Thread Vials offer maximum visibility. These general purpose glass Vials are made of Type I Borosilicate glass, providing exceptional resistance to heat shock and chemical leaching. These Vials are fully assembled and ready for your own cleaning procedure.
Ready to Clean vials are designed for users who prefer to use their own cleaning process. Ready to Clean vials are fully assembled with polypropylene caps and a friction fit .015" PTFE disc. Both cap and liner can be washed, heated or autoclaved depending upon your application. The PTFE disc is chemically inert, and will not interfere with your test results.