Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended M-MCHSI Sample pans for M-CTE120I, inert,pk 6 Price on request M-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request