Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request