50 per Pack.
The Costar Brand 5mL Serological Pipettes offer superior accuracy and precision when performing laboratory work. The pipettes are made of high-quality polystyrene with clear, permanent graduations for easy measurement. The pipettes feature a one-piece design and a tapered tip for accuracy and precision. The pipettes are autoclavable and have a negative gradation to prevent cross-contamination. They are also non-toxic and come with an attached bulb.