Eisco - Test Tubes, 50mL, Borosilicate 3.3 Glass, Round Bottom, Leak Proof Bakelite Screw Cap with Rubber Liner, Autoclavable, Chemical & Heat Resistant, Lab Storage & Sample Containers, 12 Pack

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INDUSTRIAL QUALITY || Pack of 12, round bottom test tubes with a 50ml capacity. Each test tube is made of high quality, heavy duty, Borosilicate 3.3 glass BAKELITE SCREW CAP || Eac h test tube is fitted with a Bakelite screw cap with a rubber liner to ensure a leak proof seal DIMENSIONS || Each test tube measures 5.9" tall and is 1" wide (including cap) AUTOCLAVABLE || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use Show more