New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: NDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended C-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request TDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request