CrossTOX® columns for Myc. Scr.for up to 16 toxins Back Catalog number: 17901 Availability: In the manufacturer's stock Price on request - + Recommended 13536 Glass Fiber Filter, binder free, for LCTech glass Price on request 11040 Afla-OtaCLEAN, 3mL, widebore column, 5pcs Price on request 9371 ELUFIX columns, 4g Florisil & 2g Na2SO4, pk/50 Price on request