Made in compliance with the ISO 4800 standard, constructed of borosilicate 3.3 glass material, these separating funnels are supplied for controlling the amount of liquid added & the reaction rate, and material separating & extraction. The cylindrical-shape separating funnels feature long neck, are more ideal for adding liquid into gas making devices. The pear-shape cylindrical funnels feature very short neck, are mainly used for extraction.

· Made of borosilicate 3.3 glass material

· Made in compliance with the ISO 4800 standard.

· Delivered w/ ground-in glass stopper and stopcock