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 What are treated flasks It is made of optically pure virgin polystyrene toward easy viewing of samples or cells. Treated Flasks highlights vacuum-gas plasma tissue culture strategy to ensure consistent growth surface. What does TC treated mean? It process involves opening a polystyrene microplate to a plasma gas to modify the hydrophobic plastic surface that done it more hydrophilic. These crystal-clear polystyrene flasks are created with vacuum gas plasma that creates them perfect for growing cells that need an adherent surface. What is TC treated flask? The cap features a 22um membrane for ample vapor exchange and may be tightened to check to leak without the interest of starving the cells. the mouth of each TC-treated flask is big and the cant of the neck is designed to do it easy to insert a cell scraper and remove the “cell grass” of the flask surface.