Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request U-COV35 O-Ring, low-emission, size 035,pk10 Price on request TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request