[Easy to Operate]: The long pipette pump offers 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 rotation thumbwheel or the dispense button for liquid dispensing. The 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 guarantees excellent sealing, preventing any liquid leakage. Compatible with both glass and plastic pipettes. Choose from multiple capacities: 2ml, 10ml, and 25ml, to meet your specific requirements. [Easy to Clean]: This compact and portable manual pipette pump is specifically designed for hassle-free sample collection. Featuring a user-friendly design, it allows for quick disassembly, making cleaning and maintenance incredibly convenient. Ideal for daily laboratory sample extraction. [Durable and Environment-Friendly]: The laboratory pipette pump features a sleek appearance and is made from high-quality plastic, ensuring long-lasting performance. It has fine craftsmanship and strong durability, resistant to conventional acids and suitable for a variety of liquids. Ergonomic Design: The manual pipette pump is ergonomically designed to reduce muscle fatigue. It supports single-handed aspiration and dispensing. The silicone connector provides high elasticity, perfect sealing, and leakage resistance, compatible with both glass and plastic pipettes. Color: As Shown in Picture Material: Plastic Package Contents: 3 x Pipette Pump (Only the above items are included. Other products are not included.) Note: Due to light reflection and differences in display screens, the color of the item in the picture may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.