Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request