Ferrule, 1/4", PTFE, pk 20 Back Catalog number: C-FP020 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-FP200 Ferrule, 1/4 ", combined PTFE, pk 200 Price on request 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