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 U-DISK1 Filter, Disc, Sintered PTFE, 5.1mm, pk/10 Price on request SERUTD-5065 Split filter tube, SS, 3 1/2 ", pack with charcoal Price on request C-HSPKIT-01 HiSorb Starter Kit (PDMS, short, inert) Price on request