Manufactured from USP Type I molded glass. Screw thread graduated bottles come assembled with autoclavable closures. Choose from closures that are black phenolic 14-B white rubber-lined, black phenolic PTFE-faced 14-B white rubber-lined, or black polypropylene welded to a PTFE/silicone liner. The PTFE/silicone liner eliminates the possibility of glue contamination to bottle contents. All bottles feature a large white marking spot. GPI thread size is 33-430.

• All sizes are molded with a convenient 33 mm pour-out neck finish
• Finger indents are molded into the side walls of 1000 ml bottles for safety
• Large white marking spot

Ideal for general laboratory use including mixing, storing or transporting culture media, chemicals or solvents.