United Scientific® Disposable Culture Tubes, Plain, Borosilicate Glass, 20 x 150mm, 34mL, Case of 500

United Scientific® 20 x 150mm disposable culture tubes are engineered from premium borosilicate glass to withstand rigorous lab environments. Their rimless design accommodates stoppers easily, and compliance with USP Type I and ASTM E438 ensures safe lab use. Heat-treated for strength and packaged to prevent contamination. Caps not included.