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 U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request