Globe Scientific's plastic serological pipettes are produced under the strictest protocols and offer the highest degree of accuracy. They are supplied with an aerosol barrier plug that prevents both liquid and aerosols from contaminating the pipettors. Produced from crystal-clear polystyrene (PS) and color coded for easy volume identification. Available in 1 mL, 2 mL, 5 mL, 10 mL, 25 mL and 50 mL sizes.