The Thermo Scientific Nunc Cell Culture Flasks treatment on these flasks provides an excellent surface for cell attachment and growth. Nunc Cell Culture Flasks are made of high optical-quality polystyrene that is ideal for microscopic viewing. Large necks allow for easy access by a pipette or cell scraper.
Choose standard filter caps or vent/close caps for gas exchange. Flasks are individually leak tested and sterilized by gamma radiation. Nontoxic.