● Designed For Operation Within Class 100 Environments (US FED STD 209E) . ● 250°C Maximum Operating Temperature . ● 30 To 1790 Liter Chamber Volumes. ● Fully Sealed Low Thermal Mass Insulation To Avoid Shedding Fibres . ● Fully Enclosed Brush Less Fan Motor . ● PID Controller, With Single Ramp To Set-point Facility . ● Smooth Easily Cleaned Gloss Epoxy Exterior ● Polished Stainless Steel Sealed Interior Enables Use Of Inert Gas Atmosphere. ● Perforated Stainless Steel Shelves . ● Particle Free Silicone Rubber Door Seal. ● Membrane Control Panel With Clear Bright LED Display. ● Double Skin Construction For Cool Safe Outer Case Temperature . ● Fully Adjustable Chamber Ventilation.