Column Adapter for 6mL SPE cartridgee, pk/10 Back Catalog number: 12809 Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 730230 Chromab. empty columns, 15mL, PP 104,73 € 730162 Chromab. PE filt. f. PP columns 3mL 185,75 € 730355 Chromab. empty columns, 45mL, PP 146,70 €