Inserts, PTFE,pk 6 Back Catalog number: M-TSTIN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request C-CL100 Penclips, pk100 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request