Primesep B2, 100 x 2,1mm, 3µm Back Catalog number: B2-21.100.0310 Availability: In the manufacturer's stock Price on request - + Recommended 440905-901 Agilent Prep-sil col,4.6x250mm,5u 564,75 € 446905-101 Agilent Prep-sil cart col,21.2x50mm,5u 1 977,07 € 420910-901 Agilent Prep silica (per kg) 8 310,00 €