New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request