Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request P-00020 VOC-Mole assembly, 380mm,pk10 Price on request