Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request HEDNDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request HEDNDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request