If you asthma is triggered by your pet's dander you are undoubtedly concerned on several levels. First, giving you pet away is unthinkable, but the dander is interfering with your quality of life. Providing yourself with continuous filtration is an effective way to literally keep the dander down.

The continuous filtration that a portable air purifier can provide is cost effective, low maintenance and gets at the root of the problem rather than treating the symptoms once a flare-up has occurred. Following these 5 tips will yield the best results when deciding on an air purifier that will provide the best results.

Sized Correctly for Your Space--First, measure the space that you need to filter. Include ceiling heights in the total square footage. Most cleaners give square foot cleaning capacity based on 8 foot ceiling height.

If you have cathedral ceilings or spaces that open to a second story, be sure to factor this area as additional space when figuring the total square footage of your area. Then be sure to choose a purifier that is designed to be effective in your size space or greater for best results.

Capable of Eliminating Dander--Pet dander ranges in size from .5 to 10 microns so it's important to choose a cleaner that has a filter that is dense enough to trap particles that small. Simply pulling the air through a filter whose pores are big enough to allow these sub-micron pollutants to pass through will simply send them out into the air again to cause you problems.

Check the manufacturer's technical specifications to make sure that the filter is designed to trap sub-micron sized particles.

Can Filter a Variety of Irritants--Even though pet dander may be the main culprit with your asthma, there are probably other airborne irritants that exacerbate it. Since you are considering filtration, opt for a cleaner that will remove other pollutants that have been shown to aggravate asthma such as household dust, dust mites, mold and mildew spores, pollen, bacteria and viruses in addition to the pet dander.

Is Portable--Once you've found a purifier that gives you relief, you'll want to take it with you whether it's to your bedroom, your office, or to another apartment or home. Many in-home filtration systems can involve expensive maintenance and may not add resale value to your home. And of course, you can't take it with you. On the other hand, a portable air purifier can go where you go, whenever you go.

Uses HEPA Technology--High Efficiency Particle Arresting or H.E.P.A. technology is the same technology that hospitals use to insure clean air. By definition this technology removes airborne pollutants down to .3 microns with 99.97% efficiency.

This means that for every 10,000 particles of dander, dust, pollen, bacteria, viruses and other irritants floating in your air, it will remove 99,997, keeping your air fresh and virtually free of the culprits that have been shown to cause the most problems for those who have asthma.

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