6 Pack - 5-inch, 16x125mm Pyrex Glass Test Tubes with Screw Caps

PYREX 16x125mm Disposable Round Bottom Threaded Culture Tubes with Black Screw Caps have a round bottom, GPI 15-415 threads and come without a marking spot. They are designed for both tissue culture and general bacteriological work. Non-Sterile. No Marking Spot. Surface Treatment: Not Treated. Top Style: Threaded. Thread Finish: 15.415 GPI. Material: Borosilicate Glass Code 7740. Capacity: 15mL (Approx). Height: 125mm (Approx). Outer Diameter: 16mm (Approx). Neck Outer Diameter: 15mm (Approx). Corning #: 99449-16X.