| Drying Tubes, Rettberg | |||||||||||||||||||||||||||||||||
(1) Drying tube (calcium chloride tubes) DIN 12610, straight shape made of borosilicate glass 3.3, with 1 sphere.
(2) Drying tube, U-shape side tube with replaceable stopper with ground joint, made of borosilicate glass 3.3, DIN 12616.
(3) Drying tube with ground joint-cone, borosilicate glass 3.3
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