Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request