High-precision thick-walled volumetric flask (with constant A grade and coding)

Brand: Synthware
Country of Origin: China
F811320N
Capacity(ml):20
Mouth:13#
with 13# glass stopper

F811325N
Capacity(ml):25
Mouth:13#
with 13# glass stopper

F811350N
Capacity(ml):50
Mouth:13#
with 13# glass stopper

F816100N
Capacity(ml):100
Mouth:16#
with 16# glass stopper

F819250N
Capacity(ml):250
Mouth:19#
with 19# glass stopper