flask tc treated 70 ml

Choice of two-position cap that enables an airtight seal, manual venting, or filter-vented caps for cultures requiring constant gas exchange with the cap fully sealed. Filter vented caps feature a 0.22mm hydrophobic membrane that eliminates bacterial and fungal contamination. Vented cap flasks are ideally suited for use for CO2 incubators. Each flask is supplied in sterile, easy to open, resealable packaging.