The stopper is made of stainless steel, so there is no corrosion and there is no contamination of the culture medium due to the elution of metal ions.
Easy to put on and take off.
It can be dried and sterilized, making it economical. Use: For direct mouth use
Specifications: No claws
Material: Stainless steel (SUS304)
Fits (for φmm): 16.5
RoHS2 (EU)2015/863 compliant [About RoHS]
