🔧 Elevate Your Lab Game with Precision and Style! Experience seamless liquid transfer with three pinch valves for ultimate control. A must-have assistant for any lab, enhancing your pipetting efficiency. Crafted from all-natural rubber, ensuring safety for both you and the environment. Built with chemical-resistant stainless steel balls for long-lasting performance. Accommodates pipettes up to 50ml, perfect for diverse laboratory applications. 50ml capacity Chemical-resistant Three valves The 2 Pcs Rubber Pipette Filler is a high-quality laboratory tool designed for precision liquid transfer. Made from all-natural rubber, it features three valves with chemical-resistant stainless steel balls, accommodating pipettes up to 50ml. Ideal for various laboratory settings, this pipette filler enhances efficiency while ensuring safety and durability.