Standard double wall fabrication. Inner chamber made of richly anodized aluminum or highly polished stainless steel sheet and outer made out of thick mild steel finished in white stoving enamel/powder coated paint with mat finished colour combinations. Double wall door with double glass window for observation in the chamber. Temperature range 5o C above ambient to 80o C + 1o C controlled by a thermostat. The equipment is workable on 220V AC 50 Hz single phase.