3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 4265 3mL Cartridge w/ 200mg Spe-ed Advanta, 50pk Price on request 12105027 Bond Elut-C18, 50mg 3mL, 50/PK 145,88 € 14256026 HF Mega BE-SI, 5gm 20mL, 20/PK 188,47 €