* Polypropylene (PP)
* Conforming to USP CLASS VI
* Smooth surfaceto minimizescratch
* Upward of the tail design, significantly reduce the risk of the culture medium damaged
* No need for high-temperature flame sterilization
* Sterilized by irradiation, SAL 10-6
* DNase/RNase free, non-pyrogenic and non-cytotoxic