Rapid ECH0354E Measuring Cylinder with a 250ml capacity made of premium quality polypropylene plastic. Class B tolerance. Translucent rigid construction and superior optical clarity, with easy to read, raised graduation lines every 2ml, and marked every 20ml. Octagonal base for extra stability, and a spout for easy pouring. Microwavable and resistant to fatigue for long term durability. High heat tolerance with a temperature range of -20 to +135°C. Good to excellent chemical resistance. Autoclavable at 121°C for easy cleaning and sterilization. Cylinder stands 13.25" tall, with a base measuring 3.5" wide. Outer diameter of cylinder body measures 1.6", and inner diameter measures 1.3".