Fellowes AeraMax Pet PT65 Air Purifier (9400601) Helps reduce odors and allergens from caged pets, litter boxes and pet dander Effectively purifies air in medium-sized rooms up to 225 square feet Advanced pet odor removal - Double-thick carbon filter removes odors faster and more effectively HEPA filter safely removes 99% of airborne particles as small as 0.3 microns, including pet dander, allergens, mold spores and dust particle Fan Speed Indicator lets you manually adjust the fan speed setting - low, medium, or high This items packaging will indicate what is inside and cannot be hidden