Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request P-CPP10 Blanking plugs, for VOC-Mole cap assembly,pk10 Price on request