Filter, carbon, 30mm × 30mm,pk 4 Back Catalog number: R-FLTR4 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-T6GCF10 Long-term stor cap,brass,tag-ready,pk10 Price on request C-CHK10-ME Check-standard, 100 ng per tube, Tenax TA,pk10 Price on request C-CF100 Cap, storage, brass, 1/4 " & PTFE ferrule, pk 100 Price on request