Tube gas sampling 150ml nozzle (GL14), septum Back Catalog number: OST-201-3424 Availability: In the manufacturer's stock Price on request - + Recommended TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request