Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request NDV61_50L New Devex Sampling Bag with ABS Valve & Septum Fitting, 50L Price on request