Spare solid glass stopcock key, NS 14,5, 2pc/pk Back Catalog number: OST-227-3141 Availability: In the manufacturer's stock Price on request - + Recommended C-TDKIT-02 Essential Automated TD Starter Kit Price on request P-00020 VOC-Mole assembly, 380mm,pk10 Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request