Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request