Featuring a side outlet in the body for a self sealing syringe stopper, these borosilicate glass Gas Collecting Tubes are useful in gas chromatography or mass spectroscopy. Stopcocks have PTFE plugs. For additional rubber stoppers, see ML-1940.

Featuring a reinforced bead and pouring lip, these Class B borosilicate glass graduated cylinders comply with ASTM E 1272. The 5mL size has a funnel top. Calibrated "to deliver" (TD) at 20°C and suitable for general laboratory use. Reference No. ASTM E 1272