CRS tubes (BTX),100ng, pk/10 Back Catalog number: C-BTX100-10 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: 2 weeks Price on request - + Recommended C-DF010 Cap, Diffusion, Aluminium, pk 10 Price on request SERUTD-5065 Split filter tube, SS, 3 1/2 ", pack with charcoal Price on request C-CF010 Long-term stor cap, brass, 1/4 "&PTFE ferr,pk10 Price on request