【Metal Structure】: This gas sampling tube is made of high borosilicate glass, stable and sturdy structure, and ensures a long time to use
【Experimental Teaching Equipment】: The glass gas sampling tube is a practical instrument for chemi teaching experiment demonstrations
【Compact Dimensions】: Gas Collecting Bottle size is 2 cm x 2 cm x 8.5 cm/0.79 inch x 0.79 inch x 3.35 inch, lightweight and portable, easy to carry and use
【Package Included】: Each package comes 1x Glass Gas Sampling Tube, which is great for use in this lab or for chemical experiments at home or school
【Stable Construction】: Designed with a sturdy structure that resists deformation, this Absorber Bottle, smooth surface, is a great scientific experiment tool