HiSorb septum plug, pk 20 Back Catalog number: C-HSPVLP-20 Manufacturer: MARKES INTERNATIONAL LIMITED 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 U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request