AP-H400 2-in-1 Air Purifier & Humidifier

This Homedics air purifier and humidifier improves air quality and adds moisture, suitable for medium to large rooms.

• The description claims this unit removes airborne allergens and reduces odors & VOC.
• The description claims the unit purifies air in 86 sq. ft. rooms 4.8 times per hour or in 416 sq. ft. rooms once per hour.
• The description claims the filter needs changing every 12 months.