Transform your home into your sanctuary with the Bionaire® True HEPA aer1 Mini Tower Air Purifier. The 3-stage filtration system removes up to 99.97% of airborne pollutants* like dust, hair, pollen, and more. With a 105 CADR (Clean Air Delivery Rate), this home air purifier provides coverage for medium-sized rooms up to 164 sq. ft., perfect for where you work, sleep, and play. The Visipure filter viewing window and filter reminder dial let you see the status of your filter to easily track you filter's life so you always know exactly when it's time to change the filter. The optional air ionizer binds smaller particles together to form larger particles that are more easily captured. The home air purifier's slim, space-saving design fits the aesthetic of nearly any room. This air cleaner is tested to AHAM standards so you can be sure it's effective and safe to use in your home. Come home to comfort with the Bionaire True HEPA aer1 Mini Tower Air Purifier. *as small as 0.3 microns