Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended FLD32_5L Fluode gas sampling bag with PTFE dual-valve, 5L Price on request TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request