CUSTOM ADAPTER for SpinVessel®, Holds Magnets in Low-Volume Array Around 25mL/50mL SpinVessel® Cup for Single or Multi-Position MagWash®, Produces Four Pellets 10mm in Diameter, 3.5mm Above the Bottom of the SpinVessel® for Safe Pipetting, Designed for Low-Volume Separation (less than 25mL)