Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request