IQAir HealthPro is an air purifier designed for use by individuals with allergies, asthma, or other respiratory disabilities. This air purifier provides indoor filtration of airborne particles, dust, and allergens. It uses a HEPA filter, which is replaced every two to four years, together with a pre-filter replaced every six to eighteen months. The unit's control panel is a four-key touch pad with a 32-character liquid crystal display (LCD) display. All systems come with filters, remote control, batteries (for remote control), owners manual, set of four casters, and a power cord. OPTIONS: Upgradeable to include gaseous chemical and odor control. POWER: Uses 115 VAC 50-60 Hz. DIMENSIONS (HxLxW): 28 x 16 x 15 inches. The power cord is 10 feet long. The maximum coverage area is 1,100 square feet. WEIGHT: 29 pounds (including filters). COLOR: Light Gray/White. WARRANTY: 5 years on unit including fan motor and excluding filters.