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 TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request