Avantor offers culture flasks for your lab's tissue culturing needs. Select a traditional design or an ergonomic U shaped flask for improved handling and fewer corners. Angled neck options allow for easy filling and pipet access. Flasks are stackable and feature optional surface treatment for cell adherence. Select a plug seal, vented, or phenolic style cap. Sterility is assured through gamma irradiation and individual bags. Culture flasks can be purchased in packs or economical cases.