Honbay Laboratory Tool 5PCS Blue Suction Ball Pipette Dropper Rubber Bulb, Fit for 3ml 5ml 10ml 15ml 20ml Pipettes

Material: rubber; Color: blue Hole inner dia: 7mm/0.28; Outer dia: 12mm/0.47 Bulb dia: 3.5cm/1.4; Total length: 5.5cm/2.2 Suitable for all kinds

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