Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended TDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request