Chromacol™. 548-0673EA 22.3 GBP. 548-0673 548-0672 CRMA14-SCS 548-0671 CRMA20-SC 548-0678 548-0680 548-0676 548-1867. Screw caps and septa for storage vials, Chromacol™. Closures Chromatography Vial Closures. Caps and septa are convenient and minimise contamination from handling. New Product.