A 490 Litre Sparkfree refrigerator for laboratory and general use where there is a concern that volatile, flammable materials or components might be stored and safety is a consideration. Fires started by use of inappropriate refrigerators are more common in laboratory type environments than elsewhere. These  Sparkfree products are constructed without exposed electrical components or sources of arc, spark or heat within their chambers to ensure there is no possibility of ignition internally. RLSP1804 features fan circulation but is also sparkfree; being designed with an externally mounted motor and shaft drive to the fan impellor.