SiliCycle SiliaPrep Empty SPE Tubes, Volume: 1 mL, Tube Size: 5.7 x 65.7 mm, Qty: 100 Pk., For Use With: To be filled with your own media, Vacuum Manifolds or Automated SPE Equipment, Product Line: SiliaPrep, Empty SPE Cartridges, Diameter Inner: 5.7 mm,
