Test Tubes, 18mm Diameter, 150mm Long. Borosilicate Glass. Pack of 72.

GSC International TT18-150-72 Test Tubes, 18mm x 150mm, Borosilicate Glass with Rolled Rims, Pack of 72 – Durable Laboratory Glassware for Science, Chemistry, and Classroom Use

QUALITY BOROSILICATE GLASS – Durable borosilicate glass provides strength, clarity, and resistance to heat and chemical stress for repeated lab and classroom use

UNIFORM WALL THICKNESS – Each test tube is designed with consistent wall thickness and rolled rims to add durability and minimize the risk of chipping

STANDARD SIZE TUBES – Measures 18mm in diameter and 150mm in length, compatible with size 2 stoppers and most standard lab racks and accessories

PACK OF 72 TEST TUBES – Convenient single pack of 72 tubes, ideal for classrooms, homeschool science projects, and small laboratories

IDEAL FOR LAB & CLASSROOM – Dependable glassware for chemistry experiments, biology studies, science fair projects, and general laboratory applications

⚠️ Proposition 65 Warning for California Residents:

WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, visit www.P65Warnings.ca.gov.