This 1760mL roller culture vessel has a diameter of 110mm and a flat overall length of 285mm, with a growth area of 700sq cm. It features an easy-to-clean tapered neck. The reusable bottle is manufactured from clear Wheaton-33 low extractable borosilicate glass that helps prevent changes in pH levels and maintains content purity. It has a glass wall thickness of 2.6mm, and comes with a deep-skirted black phenolic 38-415 screw cap with a white styrene-butadiene rubber liner. Both bottle and cap are autoclavable. This vessel is made to exacting tolerances to provide a higher cell yield and greater uniformity of cells per square centimeter. The glass is specially selected for optical clarity, interior surface smoothness, and general freedom from glass imperfections. Conforms to USP Type I and ASTM E-438 Type I, Class A requirements. Autoclavable. Reusable. Bottle Material: Borosilicate Glass. Color: Clear. Bottle Style: Roller Culture Vessel. Neck Style: Tapered. Nominal Neck Inner Diameter: 29mm. Closure Style: Screw Cap. Closure Size: 38-415. Closure Material: Black Phenolic. Liner Material: White Styrene-Butadiene Rubber. Diameter x Flat Overall Length: 110 x 285mm. Total Surface Area: 840sq cm. Usable Surface Area: 700sq cm. Capacity: 1760mL. Wheaton #: 348253.