Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request T-1VX CW agents (in particular VX) cold trap, TT24-7 Price on request U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request