** small hole in lint filter **Beat the heat and cut energy costs at the same time with the NewAir Evaporative Cooler. As water evaporates from the honeycomb pads, Cyclone Circulation technology provides a unique style of oscillation that boosts the wind chill effect on your skin and circulates cool air efficiently throughout the room for fast results. This portable evaporative cooler is loaded with convenience features, including easy-glide casters and a removable water tank for mess-free refills. The upgraded, contemporary design blends seamlessly with any decor, making this the ideal choice for cooling down your home when you live in an arid climate.