100 positions, and fit for 1ml pipettor tip. 4 x 1000ul/1ml Pipette Pipettor Tip Box. Silicone Lab Pipette Filler with Valves Silicone Pipette Filler Bulb 3 Valves. 20 Pcs Glass Scale Pipette Dropper Droppers for Liquids Pipettes.
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