DADAKEWIN Glass Tset Tube with Plastic Stopper 16 * 160mm Borosilicate 3.3 Glass High Temperature Resistance Laboratory Chemistry Culture Lab Tubes(Pack of 20) (Size : 16 * 160mm)

Package Contains: 20pcs 16*160mm Glass Lab Tubes; O.D.: 16mm Length: 160mm Industrial Chemistry Quality: Test Tubes made of Borosilicate 3.3 Glass Round Bottom: Uniform wall thickness is suited for heating, round bottom more uniform heating Reusable: It can be reused by washing with warm water, which is more environmentally friendly and will not cause pollution to the environment 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.