Pressure tested Choose tissue culture treated for optimum cell attachment and growth or non-treated for hybridoma and suspension cultures. The two-position plug seal cap lets you choose secure manual venting or an airtight seal. Flasks feature convenient moulded volume graduations and frosted writing surfaces. The T-25, T-75, and T-150 flasks have traceable lot numbers etched into the base. Features All flasks 100% pressure tested for leak-free assurance Stacking rims with vented design for thermal equalisation Anti-tilt skirts and base bars improve stability Wide necks provide easy access while minimising contamination Gamma sterilised (SAL 10-5) and certified Rnase, Dnase, DNA and Pyrogen free FAQ How many cells are in a t225 flask? The volume of Cells at confluency in T225 flask is 30 x 106. Why is it called T flask? T-flasks and T225 flask are frequently utilized for the keeping of cells because a T-flask and its secure screw cap protect valuable stock cultures best upon contamination. What is T flask used for? The T flask is used to manufacture proteins. Arrive optimal Protein & Antibody creation yield Suitable for all CHO cells growing in suspension Compatible with any synthetic or general media.