CRS tubes (BTX),100ng, pk/10 Back Catalog number: C-BTX100-10 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: 2 weeks Price on request - + Recommended U-FV007 Ferrule, 1/16in x 0.8mm, vespel, pk 10 Price on request C-CHK10 Check-standard, 90 ng/µL (nominal), Tenax TA,pk10 Price on request C-TCFP10 Long-t stor cap,brass,1/4 "&PTFE ferr,pk10 pairs Price on request