DURAN^® Fernbach Culture Flask

DURAN^® Fernbach Culture Flask, capacity 1800 mL, borosilicate glass 3.3, neck joint: beaded

DURAN^® Fernbach Culture Flask, capacity 1800 mL, borosilicate glass 3.3, neck joint: straight

DURAN^® Fernbach Culture Flask, capacity 450 mL, borosilicate glass 3.3, neck joint: beaded