Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request HEDNDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request HEDNDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request