Costar 75 cm2 flasks are manufactured from optically clear virgin polystyrene, are treated for optimal cell attachment, feature a printed lot number for ease of traceability, are sterilised by gamma radiation, and are certified non-pyrogenic. Flasks are available in a triangular shape (Cat. nos. 3275 and 3276) for added stability and pipette access or standard rectangular shape (Cat. nos. 3375 and 3376). Flasks are available with choice of cap style to match your application. Packaging: 100/cs