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-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request