Burette 25:0,05 ml, cl. B brown, DURAN, straight glass stopcock, white graduated

Burette 25:0,05 ml, cl. B Schellbach strips, DURAN ger. valve stop cock w. PTFE spindle

Burette 25:0,05 ml, Duran cl. AS, cc, brown glass, straight glass cock

Burette 25:0.05 ml cl.AS, conf.batch certified

Burette 25:0.05 ml, class B amber glass, side glass tap, DURAN white graduated, DIN 1270013

Burette 25:0.05 ml, class B with tube attachment, DURAN, blue grad.

Burette 25:0.05 ml, Duran Class AS, KB, amber glass, straight valve stopcock with PTFE spindle, white graduation

Burette 50:0, 1 ml, cl. B straight glass tap, DURAN, brown graduated

Burette 50:0, 1 ml, class B Schellbach strips, DURAN ger. Valve tap w. PTFE-spindle

Burette 50:0,1 ml, cl. B, KG straight valve stopcock, with PTFE Spindle

Burette 50:0,1 ml, Duran cl. AS, cc, brown glass, straight valve cock with PTFE spindle, white graduated

Burette 50:0,1 ml, Duran cl. AS, conformity certified, amber glass, straight stopcock