Disposable culture tubes are manufactured from high quality 5.1 expansion borosilicate glassRimless design enables easy plugging using a stopperCaps not includedMeet USP Type I and ASTM E438 Type I Class B requirementsTubes are packaged in shrinkwrapped boxes to keep them particle-free and four boxes are included in each case.
Disposable culture tubes are manufactured from high quality 5.1 expansion borosilicate glass. Rimless design enables easy plugging using a stopper. Caps not included. Meet USP Type I and ASTM E438, Type I, Class B requirements. Tubes are packaged in shrinkwrapped boxes to keep them particle-free, and four boxes are included in each case.