Erlenmeyer flasks, NS neck, borosilicate glass 3.3, amber Borosilicate glass 3.3, amber. Conformed to DIN EN ISO 4797. NS necks are in compliance with DIN 12242 standards.
Erlenmeyer flasks, NS neck, borosilicate glass 3.3, amber Borosilicate glass 3.3, amber. Conformed to DIN EN ISO 4797. NS necks are in compliance with DIN 12242 standards.