Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended HEDNDV61_50L New Devex Sampling Bag with ABS Valve & Septum Fitting, 50L Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request