CRS tubes (BTX),100ng, pk/10 Back Catalog number: C-BTX100-10 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: 2 weeks Price on request - + Recommended C-CF020 Cap, storage, brass, 1/4 & PTFE ferrule, pk 20 Price on request SERAAA-1600 Filter, Split Tube, Charcoal, for online systems and Kori-xr Price on request C-AC020 Cap, Aluminium STS (Push-on), 1/4", pk/20 Price on request