Capacities: 18,000 – 24,000 – 36,000 – 48,000 BTU. Distribution: 360° air cools all corners. Technology: Digital Inverter for energy saving + Fast Cooling for rapid cooling. Purification: PM2.5 filter purifies the air. Operation: Quiet and elegant design suits every space. With Samsung air conditioner… smart cooling and high efficiency. ❄