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 U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request P-CPP10 Blanking plugs, for VOC-Mole cap assembly,pk10 Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request