• Biological Oxygen Demand bottle is made of high quality Borosilicate 3.3 glass
• INCLUDED || Interchangeable glass penny head stopper with a 18/19 socket size
• MEASURES || 7" tall (6" without included stopper), and 2.75" in diameter
• GREAT FOR LAB USE || Perfect for any science or home laboratory

BOD bottle, with interchangeable, glass pennyhead stopper. Socket size 18/19. 300ml capacity. Bottle measures 7" tall (6" without included stopper), and 2.75" in diameter. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. IGLASS Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C