Spare tube assembly, ACTI-VOC Back Catalog number: SERZ-1097 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request H3-AXAAC HiSorb probe, PDMS/DVB, inert, standard length, pk 6 Price on request M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request