Pasteur Pipettes - Borosilicate and Flint Glass: Manufactured from the highest quality glass, these disposable pipettes feature uniform wall weight and tip diameters.

Packaged in easel dispenser box. Pasteur Pipettes - Cotton plugged: Manufactured from the highest quality glass, cotton plugged pipettes feature uniform wall weight and tip diameters. Extra deep constrictions keep cotton plug from moving. A great time saver for every laboratory. Pasteur Pipettes - Controlled Drop: Controlled drop pipette will accurately and consistently dispense 25 ±3 drops per ml of serum or red cells at 23 °C when held at a 45° angle.