[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 the rotating thumbwheel or the dispense button for liquid dispensing. Operation can be completed with one hand, simple and convenient. [Precise Pipetting]: With a precise roller design, the mini pipette pump ensures accurate dispensing every time. The cone tube connection provides excellent sealing, preventing liquid 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 pipette pump is designed for hassle-free sample collection. Its user-friendly design allows for quick disassembly, making cleaning and maintenance convenient. Ideal for daily laboratory sample extraction. [Durable and Environment-Friendly]: Constructed from high-quality plastic, the pipette pump is lightweight and durable, ensuring long-lasting performance. It is resistant to common acids and alkalis, suitable for use with various liquids. The ergonomic design helps reduce hand fatigue and supports single-handed operation for aspiration and dispensing. The silicone connector offers high durability, secure sealing, and leak resistance, compatible with glass or plastic pipettes. Color: As Shown in Picture Material: Plastic Package Contents: 3 x Pipette Pump Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.