Solid phase extraction (SPE) column for pesticide analysis, "Presep® Agri series", is a cartridge packed with styrene divinylbenzene-methacrylate to clean up residual pesticides easily. Two types available depending on clean-up methods (pressure method or vacuum method): Presep®-C Agri (Short) cartridge with both ends closed and Presep® Agri syringe.