Nitrogen tube 10 ml, cone NS 14,5/23 side NS stopcock 1,5mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 10 ml, joint NS 14,5/23 side PTFE valve 0?3 mm fine thread graduated

Nitrogen tube 100 ml, cone NS 14,5/23 side NS stopcock 2,5mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 100 ml, joint NS 14,5/23 side PTFE valve 0?3 mm fine thread graduated

Nitrogen tube 100 ml, joint NS 29/32 side PTFE valve 0?3 mm fine thread graduated

Nitrogen tube 100 ml, socket NS 14,5/23 side NS stopcock 2,5mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 100 ml, socket NS 29/32 valve passage 0-3mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 25 ml, cone NS 14,5/23 side NS stopcock 2,5mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 25 ml, joint NS 14,5/23 side PTFE valve 0?3 mm fine thread graduated

Nitrogen tube 25 ml, socket NS 14,5/23 valve passage 0-3mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 250 ml, cone NS 14,5/23 side NS stopcock 2,5mm, non-grad. borosilicate glass DURAN®

Nitrogen tube 250 ml, joint NS 14,5/23 side PTFE valve 0?3 mm fine thread graduated