When the hottest months hit, you'll stay comfortable at home or at the office with the Lasko Xtra Air 48-Inch Oscillating Tower Fan.This oscillating tower fan cools a large area quickly, thanks to its extra-long exhaust grill. Standing 4 feet tall, this large floor fan creates the optimal air flow in any room, so you stay comfortable whether you sit right next to the fan or across the room. Customize your comfort with 3 quiet speeds. No need to get up. Set the speed, 8-hour shut-off timer, oscillation, and Nighttime setting with the remote or electronic controls on the cooling fan.