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 SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request