Alpco 20 t microplate shaker platform variable speed lab plate culture orbital

used working Alpco microplate shaker variable speed model 20 T - the platform dimensions 8x5.5 inches (for two plates) ,. the speed control and timer works fine. the digital display is clear and bright/. If not satisfied. You can return this unit withing 14 days for a full refund minus shipping. Lot con5/5. con2/5