With a slim, space-saving design this 4 pack of Lasko XtraAir 48 Inch Standing Tower Home Fan Air Ionize from Lasko is ideal for living areas, bedrooms, and home offices. The built-in ionizer adds millions of negative ions to the air, creating a fresh air feeling like the great outdoors.The sleek and slim design saves space while providing all the functionality you need to keep the air in your home clean and clear. This tower fan includes a fresh air ionizer which improves air quality and indoor filtration. The 4 different, quiet fan speed options for optimal comfort. Widespread oscillation feature cools rooms quickly, so you can cool down right away. With simple assembly, you'll be able to enjoy the Lasko XtraAir 48 Inch Standing Tower Home Fan Air Ionizer right away.