| | | Volumetric flask 10 ml, brown graduated NS 10/19, class A, with poly stopper DURAN, wide-neck, conformity certificated | | | | | |
| | | Volumetric flasks 100 ml, cl.A, DURAN NS 14/23, with PP-stopper, amber grad. | | | | | |
| | | Volumetric flask 50 ml, brown graduated NS 12/21, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flasks, 50 ml, amber grad. NS 14/23, cl.A, PP-stopper, DURAN | | | | | |
| | | Volumetric flask 20 ml, brown graduated NS 12/21, class A, with polyplug Duran, conformity certified | | | | | |
| | | Volumetric flask 250 ml, brown graduated NS 14/23, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 20 ml, brown graduated NS 10/19, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 25 ml, brown graduated NS 10/19, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flasks, 100 ml. DURAN cl.A, with PP-stopper NS 12/21, amber grad. | | | | | |
| | | Volumetric flask 200 ml, brown graduated NS 14/23, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 500 ml, brown graduated NS 19/26, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 1000 ml, brown graduated NS 24/29, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 2000 ml, brown graduated NS 29/32, class A, with poly stopper DURAN, conformity certificated | | | | | |
| | | Volumetric flask 10 ml, amber graduated NS 7/16, class A, with polystopper DURAN, conformity certified | | | | | |
| | | Volumetric flask 5 ml, brown graduated NS 10/19, class A, with poly stopper DURAN, wide-neck, conformity certificated | | | | | |
| | | Measuring flask 10000 ml, brown graduated NS 34/35, class A, with polystopper DURAN, conformance certificated | | | | | |
| | | Volumetric flask 25 ml, brown graduated NS 12/21, class A, with polyplug Duran, wide neck, conformity certified | | | | | |
| | | Measuring flask 5000 ml, brown graduated NS 34/35, class A, with polystopper DURAN, conformance certificated | | | | | |
| | | Volumetric flask 1000 ml, brown graduated NS 29/32, class A, with poly stopper DURAN, conformity certificated | | | | | |