Carboy with stopcock - capacity of 5 liters. Autoclavable PP heavy-duty construction with stylish rounded octagonal shape for increased rigidity when full. Offset neck for easier filling and pouring. Integral, comfortable blow molded handles for ease of carrying are end-sealed to prevent contamination. Heavy-duty closures are compatible with other leading brands. Carboys feature a durable and leak-proof heavy-duty stopcock with boss fitting for extra strength. Please Note: The silicone seal has a tough time with HCLStopcock features removable tube fitting for added convenience. Graduations are molded into the front of the products allowing easy reading even when several carboys are used in a row.