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 M-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request