Made in compliance with the ISO 4798 standard, constructed of borosilicate 3.3 glass material, these stemmed funnels are supplied for a wide range of use for transferring liquids or solid materials into the plastic/glass labwares that are with a narrow neck.

· Made of borosilicate glass 3.3

· Made in compliance with the ISO 4798 standard 

· Feature 60°bowl angel, enables precise filter paper fitting