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. Additional Info: Disposable Culture Tubes, 12x75mm, 5ml Package Size(L x W x H): 14 X 9 X 8 (IN) Categories: Culture Tubes, Glass HTS Code: 7017.90.5000 UNSPSC: 4.11217e+007 Country Of Origin: INDIA