BioCoat flasks are recommended to increase the adherence and differentiation of various cell types. All flasks are certified nonpyrogenic and have a printed lot number on the base for tracking and quality control purposes. In addition, the Costar 25 and 75 cm 2 flasks come in a unique triangular style that allows easy access to growth surfaces. Flasks can be distinguished by cap colors that designate adherent or suspension cell flasks. Both are available with a standard or vented cap.
Filter vented caps are also available.
4 Cells are cultured in a compartment sandwiched between a media-containing chamber that provides nutrients and an oxygen supply chamber that allows gas exchange. These devices are primarily for suspension cells, but adherent cell lines can also be used with this system. The 300 cm 2 flask has a wide neck for easier cell retrieval. Recently, Molecular Technologies introduced a 150 cm 2 tissue culture flask with a peel-off top. The top surface of the flask is a transparent multilayer plastic that remains tight and leakproof during culture.