<strong>Cryogenic Vials with codes&nbsp;</strong><br />
FDA, USP standard medical grade polypropylene raw materials<br />
Patent designed medical grade integrated sealing ring, Clean and pollution-free<br />
Tubes with Bottom QR code, tube barcode, and digital code<br />
Applicable range: -200 ℃ to 121 ℃<br />
No leakage under negative pressure test -90kpa<br />
Irradiation sterilization, Non-pyrogenic, RNase/DNase &ndash;free<br />
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