[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, 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, making cleaning and maintenance convenient. Ideal for daily laboratory sample handling. [Durable and Environmentally Friendly]: Constructed from high-quality plastic, the pipette pump is lightweight and durable for long-lasting performance. Features a refined build with strong craftsmanship, resistant to common acids and alkalis, suitable for various liquids. Ergonomically designed to reduce hand fatigue, enabling single-handed aspiration and dispensing. The silicone connector offers high durability, reliable 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 color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.