CRS tubes (BTX),100ng, pk/10 Back Catalog number: C-BTX100-10 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: 2 weeks Price on request - + Recommended C-CF200 Cap, storage, brass, 1/4 " & PTFE ferrule, pk 200 Price on request U-DISK4 Filter, disk, sintered PTFE, 3.2mm section,pk10 Price on request SERUTD-5065 Split filter tube, SS, 3 1/2 ", pack with charcoal Price on request