DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: NDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request