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 HEDFLD32_5L Fluode gas sampling bag with PTFE dual-valve, 5L Price on request TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request