Thermo Scientific ELED PR305225G Precision Gravity Convection Compact Heating and Drying Oven with Bi-Metallic Thermostat Control and LED Display, 120V, 48L Capacity Gravity convection with double-wall interior and 2.5cm (1in) silica-based insulation, powder-coated cold-rolled steel exterior, requires 240V Preset high-temperature safety bimetallic thermostat ensures overtemperature protection Gentle drying with low turbulence: air is moved vertically through chamber to heat samples Aluminum chamber, 48L (1.7cu ft) Warranty: 12 months parts and labor