Low Noise Performance: LG window air conditioners operate at sound levels as low as 50dB (in low mode), eliminating unnecessary noise Multiple Fan Speeds: 2 cooling and fan speeds with Auto Cool allow you to customize your cooling Washable Filter: Slide-out, permanent washable filter is able to be reused to keep your unit running optimally Cools Rooms up to 150-sq. ft.: LW5024 is ideal for cooling small rooms (10' X 15') Easy to Use Window Installation Kit: Easily install your unit for the summer with the included kit and easily remove it from the window once the season is over