Description_x000D_ General description_x000D_ Nunc Flasks with Nunclon Delta treated surface are designed for enhanced cell attachment, growth and differentiation. Vent/close caps of sterile high-density polyethylene (HDPE) provide sufficient gas exchange._x000D_ Includes:_x000D_ • Caps_x000D_ • Nunclon Delta Certification including testing on 4 different cell types is provided in each case_x000D_ • Short, wide necks allow for easy access_x000D_ • Sterilized by gamma irradiation and certified to be non-pyrogenic_x000D_ Legal Information_x000D_ Nunc is a registered trademark of Thermo Fisher Scientific or its subsidiaries_x000D_ Nunclon is a registered trademark of Thermo Fisher Scientific or its subsidiaries