• 4-stage hospital-type filtration
• Effectively purifies air in medium-sized rooms up to 225 square feet
• Helps reduce odors and allergens from caged pets, litter boxes and pet dander
• 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 particles
• Ultra quiet operation
• Filter Change Indicators let you know when it is time to replace your Carbon or HEPA filter