Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-TSTIN Inserts, PTFE,pk 6 Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request