DiffLok cap, inert, 1/4 ",pk100 Back Catalog number: C-DL1S0 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-CHK10-ME Check-standard, 100 ng per tube, Tenax TA,pk10 Price on request SERAAA-5167 Split filter tube,glass,4 1/2 ",pack with charcoal Price on request SERAAA-1600 Filter, Split Tube, Charcoal, for online systems and Kori-xr Price on request