DURAN^® narrow mouth reaction flask with beaded rim

DURAN^® narrow mouth reaction flask with beaded rim, glass flask, flask capacity 1000 mL, single neck, round bottom

DURAN^® narrow mouth reaction flask with beaded rim, glass flask, flask capacity (250 mL), single neck, round bottom

DURAN^® narrow mouth reaction flask with beaded rim, glass, flask capacity (2,000 mL), single neck, round bottom

DURAN^® narrow mouth reaction flask with beaded rim, glass flask, flask capacity (500 mL), single neck, round bottom