This 9-Liter polycarbonate carboy has a space-saving rectangular shape. All sizes feature molded-in graduations to deliver in liters and gallons. Polycarbonate is autoclavable, window-clear and has high impact strength; good for cold room use. Built-in shoulder loops have convenient stainless steel handle attached. Wide-mouth opening for easy filling, transferring, and cleaning. Closure size is 100mm. Spigot closure included. Sold individually or 6/Case. Nalgene#: 2322-0020.