Manual tangential flow filtration system with a Levitronix pump for microfiltration or ultrafiltration. Can be used with cassettes or hollow fiber devices. For processing 100 mL to 5 liters of material. Up to 1 ft2 of membrane area. The Levitronix pump is excellent for pumping mammalian cells and shear sensitive molecules. Feed/Retentate vessel, filtration device and tubing flowpath kit are additional.