Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request