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 T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request U-COV450 O-Rings, low-emission,pk100 Price on request