Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 79668 A RESOLUTION 4.6x250 PEEK * Price on request 820750-904 UHPLC Guard, SB-C8, 4.6mm, 1.8um, 3pk 650,17 € 855100-902 Zorbax SB-C18, 30x100mm, 7.0um 4 161,66 €