• Made from ASTM E-438 Type-1 Class A, Boro 3.3 glass
• The uniform Amber colour is highly durable and chemical resistance
• Comes with PP Screw Cap & PTFE Liner

Boro 3.3 or Borosilicate 3.3 is a type of glass having very low coefficient of thermal expansion White Printing Chemical Resistant Screw Cap

PS: Test Tubes in other sizes can be provided on request