United Scientific® Disposable Culture Tubes, Plain, Borosilicate Glass, 18 x 150mm, 28mL, Case of 500

These 18 x 150mm United Scientific® disposable culture tubes provide superior clarity and durability, constructed from high-grade borosilicate glass. Their rimless design is ideal for stopper use, meeting USP Type I and ASTM E438 standards. Heat-treated for contamination prevention and securely packaged for shipping. Caps not included.