Valve assembly only Back Catalog number: 80109 Manufacturer: Labstore Availability: 4 weeks Price on request - + Recommended 730152 Chromab. stainl.steel needle, 12 pcs 87,52 € 730187N Chromab. dry-cover SPE f. 12 columns 497,10 € 730154N Chromab. polypropylene needle SPE, 12pcs 76,52 €