Pipette Filler, 35mL,Black,Red,Blue

• Efficient one-handed operation •Control air-evacuation, liquid uptake, and liquid dispensing with three valves each containing chemical-resistant stainless steel balls in valves • Pinch release-valve for smooth liquid flow • 5.1 in L x 2.1 in W x 2.1 in H (13 cm L x 5.4 cm W x 5.4 cm H)