You can enjoy powerful cooling even on hot and humid days with the LG Dualcool 2-ton RW-Q24WWYA Window Air Conditioner. Featuring Dual Inverter technology, this air conditioner lends rapid and energy-efficient cooling. Additionally, this air conditioner updates you about dirty filters, with periodic reminders to ensure a hygienic environment. Furthermore, it also notifies you about gas shortages by displaying CH 38 on its display panel.