Haier 1.5 Ton 3 Star 5 in 1 Convertible Triple Inverter+ Split AC, HSU18K-PYG3B (100% Copper, 50 Feet Airflow, Hyper PCB, Cools even at 60°C Ambient Temperature,Self Clean technology)

In the frost self clean feature, a frost is formed on the AC’s evaporator which traps all the dust present on the coil and after some time when the frost melts, it washes out all the dirt. Through this, you get an actual indoor wet wash and breathe clean & healthy air.