A new and innovative microtitration plate with a maximum of 1 ml sample volume. The ultrafiltration-based filter plate is designed for automation-compatible and also manual purification, concentration and desalting of biological solutions. The Ultrafiltration plate is complete compatible with the AHN Receiverplate also in 96-Microplate matrix. AHN 96-well Ultrafiltration Plate with PES (Polyethersulfone)-Membrane Declaration of Conformity: As in vitro diagnostic medical device classified as follows according to the directive on in vitro diagnostic medical devices 98/79 EC and marked with the CE-IVD sign.