Tube gas sampling 150ml nozzle (GL14), septum Back Catalog number: OST-201-3424 Availability: In the manufacturer's stock Price on request - + Recommended C-CL100 Penclips, pk100 Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request