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-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request