United Scientific Tube Culture Disposable PL 22ML

United Scientific Plain Disposable Culture Tube, 22 mL Vol, Borosilicate Glass Tube, 150 mm L x 16 mm OD. 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, 1000/PK - USS