Flasks with NS joint neck
ROUND-BOTTOM FLASKS WITH CONICAL JOINT,
Round bottom flasks with conical ground joint, amber, DURAN®
ROUND-BOTTOM FLASKS, FOUR-NECK, C. NECK
Four-neck round-bottom flask, with parallel side necks, DURAN®
ROUND-BOTTOM FLASKS, FOUR-NECK, C. NECK
Four-neck round-bottom flask, with parallel side necks, DURAN®