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 H1-AXABC HiSorb probe, inert, short, pk/6 Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request