Features:

This highly effective 3-speed air filtration system is specially designed to remove irritating particles from the air, so you and your family won't suffer from allergy-related stuffy noses, congested lungs, sinus pressure, sneezing, or even snoring!

• Air flows through a high-quality HEPA filter first, eliminating 99.97% of all particles larger than .3 microns, including animal dander, dehydrated bird excrement, pollen, dust, and other allergens.
• Next, the air flows through a carbon cloth filter, eliminating unpleasant odors from animals, cooking, and cigarette smoke, as well as chemicals that can cause allergic reactions.
• In addition to cleaning the air, the Holmes HAP440 Air Patrol™ warns against the presence of harmful carbon monoxide gas with a Nighthawk carbon monoxide detector.
• A digital LED display continuously monitors the level measured in PPM's (parts pere million) and shows the presence of CO gas BEFORE levels become dangerous.
• An alarm will sound if the level reaches unsafe amounts.
• Alarm Test Button
• Washable filter
• Includes Electronic Ionizer
• Dimensions 13 1/2"w x 9 1/2"h x 8 1/2"d
• HEPA** filter system
• Weight: 9.5 Lbs.
  
• 3 Years Limited Warranty

**HEPA - High Efficiency Particulate Arresting. HEPA is over 99.97 % efficient in removing all airborne particles down to 0.3 micron in size. Thirty particles at 0.3 micron in size out of 100,000 ones pass through the HEPA filter (on average).

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