 The compressor assembly, which emitted a great deal of heat, was placed above the cabinet, and enclosed by a decorative ring.Over a million units were produced.As the refrigerating medium, these refrigerators used either sulfur dioxide, which is corrosive to the eyes and may cause loss of vision, painful skin burns and lesions, or methyl formate, which is highly flammable, harmful to the eyes, and toxic if inhaled or ingested.