[Easy to Operate]: The long pipette pump features a dual liquid handling system. Insert the pipette into the cone tube nozzle, slide the rotating thumbwheel down to aspirate liquid effortlessly; then choose between the rotating thumbwheel or the dispense button for liquid dispensing. Operation can be completed with one hand, making it simple and convenient. [Precise Pipetting]: Designed with a precise roller mechanism, the mini pipette pump ensures accurate dispensing every time. The cone tube connection provides excellent sealing to prevent leakage. Compatible with both glass and plastic pipettes. Available in multiple capacities: 2ml, 10ml, and 25ml, to meet specific requirements. [Easy to Clean]: This compact and portable manual pipettor pump is designed for hassle-free sample collection. Its user-friendly design allows for quick disassembly, enabling easy cleaning and maintenance. Ideal for daily laboratory use. [Durable and Environment-Friendly]: Constructed from high-quality plastic, the pipette pump offers long-lasting performance. It features fine craftsmanship and strong build quality, resistant to common acids and suitable for a variety of liquids. Ergonomic Design: The manual pipette pump is ergonomically shaped to reduce muscle fatigue. It supports single-handed operation for both aspiration and dispensing. The silicone connector ensures high durability, perfect sealing, and leak resistance, and is compatible with both glass and plastic pipettes. Color: As Shown In Picture Material: Plastic Package Contents: 3 x Pipette Pump Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.