Machine-blown body sealed to heavy-bead, heavy-tubing neck for strength. Available in 16 different sizes from 1 to 6,000 mL. 1 and 2 mL sizes are test tube shaped.
Specification
Material: borosilicate glass Sterility: non-sterile Stopper size: 9 Tol. measuring range: 0.03 mL Capacity: 25 mL