PATIKIL Graduated Dropper Pipettes 4 Pcs 5ml Reusable Borosilicate Glass Pipette for Transfer Liquid for Laboratory Chemistry Clear
- NOTE: 1. Dropper pipette needs to be used with rubber caps. This package does not come with rubber caps, please pay attention to this before ordering. 2. When using, the pipette should be vertically above. After absorbing the liquid, the pipette's mouth should not touch other objects. 3. After cleaning, place it in a ventilated place to dry. 4. When cleaning, handle with care to avoid collision and prevent breaking..