Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request