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 TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request