straw for moving liquid

Features:

● Made of medical grade polystyrene, highly transparent

● Provide 1ml, 2ml, 5ml, 10ml, 25ml, 50ml specifications, corresponding to 6 different colors

● Ascending and descending bi-directional scale design, which can intuitively read the remaining liquid amount; the top filter element design can effectively prevent excessive suction from damage to the pipetting equipment

● Disinfection treatment, no pyrogen, no cytotoxin, no DNA enzyme，no RNA enzyme, no human DNA

● The products are individually packaged to effectively prevent pollution and facilitate access