Toshiba Japanese Refrigerator Specifications. Line 110 is broken. Refrigerator and upper freezer, approximately 590 liters, about 20.8 cubic feet. Features: Model: • GR-H70RT Capacity: • Storage capacity: 590 liters • Approximately equivalent to 20.8 cubic feet Refrigerant Type: • HFC-134a Insulation Material inside the Refrigerator: • Cyclopentane (an environmentally friendly insulation material that helps maintain coolness) Electrical Diagram: • The label contains a Wiring Diagram showing connections for: • Thermostat • Timer • Fan Motor • Lamp • Defrost Heater • Compressor