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 SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request