#Eugene Window Split Air Conditioner 18 Cool Inverter Cooling Type: Cool Only.Compressor: Rotary Compressor High efficiency, available in some Models with energy-saving Inverter technology.Refrigerant Gas: Environmentally friendly R410A type.Air Distribution: Long-range airflow Automatically distributes coolness in two directions or Four directions.Filters: Equipped with a high-quality, washable air filter To purify the air, in addition to "golden fins" to protect the air conditioner From corrosion and improve cooling.Operation: Self-evaporating system and low noise level, With automatic restart feature upon power outage. New only