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 M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request DEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request