Ferrule, 1/16” × 1/16” graphite/Vespel, pk/10 Back Catalog number: U-FV002 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: 2 weeks Price on request - + Recommended SERAAA-5167 Split filter tube,glass,4 1/2 ",pack with charcoal Price on request C-TO17100-10 CRS tubes (TO-17mix), 100ng,pk10 Price on request C-CHK10 Check-standard, 90 ng/µL (nominal), Tenax TA,pk10 Price on request