Features: Nano Platinum Filter Grooved Piping Auto Restart Self-Diagnostic Function Wide & Long Airflow (MSYGN 18,22,26) 24 Hour Timer Fuzzy Logic "I Feel" Econo Cool-Smart Save 100% Copper Heat Exchanger Electrostatic Anti-Allergy Enzyme Filter(Optional) Anti-Rust Powerful Cool System (MSYGN 18,22,26) i Save DC Fan Motor Auto Vertical Vane (MSYGN 18,22,26) Auto Horizontal Vane