This Corning® triangular angled cell culture flask with phenolic-style cap is manufactured from optically clear virgin polystyrene. It has a 25cm2 available growth area, and has been TC-treated for optimal cell attachment. Printed with lot numbers for ease in traceability, it is 100% integrity tested. Sterilized by gamma irradiation and certified non-pyrogenic. Graduated. Sterile. Material: Polystyrene. Cell Growth Area: 25sqcm. Flask Shape: Triangular. Neck Style: Angled. Surface Treatment: TC-treated. Cap Style: Phenolic Style. Cap Material: High Density Polyethylene. Cap Color: Black. Recommended Medium Volume: 5 to 7.5mL. Maximum Working Volume: 0mL. Corning® #: 3055.