This Miles Ames Tissue Tek Model 4553 Cryostat is in excellent condition showing little wear, newly installed refrigeration components. Low end temperature is -30 degree Celsius. Micron selection between 2 and 20 microns in 2 micron increments. The microtome is fitted with a disposable blade holder and has been fully serviced for peak performance. The 4553 is an industry standard cryostat proven in laboratories nationwide as an easy to use and very reliable workhorse. Comes with warranty.