The large console Excella E25 incubator shaker and model E25R with added refrigeration accommodate test tubes or flasks up to 6 liters in a tightly-sealed growth chamber featuring a large viewing window for easy viewing of samples. A wide variety of platforms, clamps and test tube racks provide for unlimited flexibility. The Excella models E25 and E25R offer field calibration of temperature and speed through the microprocessor-controlled touch pad. Features Heavy-duty counterbalanced drive provides long life, vibration-free, quiet and dependable operation. Large platform size provides increased flexability with the number and size of cultures (sold separately) Large viewing window and internal light for easy viewing of samples without the need to open the door