The Bellco Orbital Shaker is a compact, heavy-duty variable speed shaker. It is used for the agitation of electrophoretic gels and filter assay media for staining, destaining and assay development. The Shaker accommodates a variety of vessels. It is continuously adjustable from 30 to 350 RPM. This Bellco design incorporates an orbital platform that accepts a variety of optional trays. A variety of tray models are available, including three equipped with flask clamps for common sizes of flasks. Peg and Grommet style trays make changing convenient. (1 per EA )