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 SERAAA-1600 Filter, Split Tube, Charcoal, for online systems and Kori-xr Price on request C-CF020 Cap, storage, brass, 1/4 & PTFE ferrule, pk 20 Price on request C-TO17100-10 CRS tubes (TO-17mix), 100ng,pk10 Price on request