Product Description Chamber temperature: ambient to -30C Quick freeze cryobar held at a constant -40C Compressor system re-charged and certified The Miles-Ames Tissue Tek II 4553 is an industry standard cryostat. As a self-contained combination cryostat / microtome, the Tissue Tek II 4553 is used for the preparation, freezing and cutting of frozen tissue sections. The system is composed of a cryostat, an automatic defrost refrigeration chamber, and microtome, a specifically designed machine for cryotechnique. A reliable workhorse, the Tissue Tek II 4553 Cryostat is a proven easy-to-use cryostat in laboratories nationwide. Operating with a low end temperature of -30 degrees Celsius and the ability to section material ranging from 2 to 20 microns in 2 micron increments, this cryostat is an excellent choice for the standard laboratory. Included are the following: cryostat cabinet and microtome, 1 microtome lubricant, 6 object holders, 2 blades, 1 operational manual, 90 day parts and labor warranty. Height 48 Width 26 Depth 26 Weight 280 lbs Power Requirements 115VAC, 60 Hz, 800 watts Chamber Temperature ambient to -30C Quick Freeze Cryobar constant -40