The Benefits of HEPA Air Purifiers
The military designed the first HEPA filter in the 1940s for use in the Manhattan Project, when safety from free-floating nuclear material was a primary concern. Today, HEPA air purifiers are very widely used to remove dust, pollen, mold, bacteria, and other airborne particles. They are perhaps the most tried-and-true method of air cleaning to date. The best part about HEPA air purifiers is that they emit no byproducts or secondary pollutants such as ozone.
The Department of Energy continues to be the sole certifying body for all HEPA filters. The DOE has strict standards. All HEPA filters must be able to catch at least 95% of particles as small as 0.3 micrometers. If you are shopping for HEPA air purifiers, beware of "HEPA-type" or "HEPA-like" filters. They did not pass DOE muster on their ability to filter air.
HEPA Air purifiers work by drawing in air via a fan. Large particles get trapped in the folds of the filter, while small particles and chemicals attach to the charcoal matter in the filter.
Some fans have a straight design whereby the air is drawn in from the back and blown out through the front. These units clean the air very quickly and are good for aiming at your bed or sitting area.
Other fans are unidirectional, pulling in air from all sides of the machine and blowing the filtered air out in all directions. These are good for cleaning the air in whole rooms.
Related to HEPA filters are ULPA filters. ULPA means Ultra High Efficiency Particulate Air. ULPA filters are only used when there is a significant biohazard or equally harmful environment. You won't need one at home; if you do, you shouldn't be living there.
Friedrich, Oreck, and Whirlpool are some of the leaders of the industry. Their HEPA air purifiers are known for their relative quietness, air-cleaning efficacy, and energy efficiency.
Air Purifiers Info provides detailed information on home, ionic, ozone, and HEPA air purifiers, as well as reviews of the best air purifiers on the market today. Air Purifiers Info is the sister site of Air Filters Web.
 Google News Updated : Fri, 10 Oct 2008 17:49:09 GMT Help Support Breast Cancer Awareness With Lifespring Health - MarketWatch
MarketWatch - Lifespring Health will be Donating $5 to the Susan G. Komen Foundation Each Time you Shop Online This Month SUNNYVALE, Calif., Oct 10, 2008 /PRNewswire via COMTEX/ -- October is breast cancer awareness month! Go "Passionately Pink for the Cure" on Oct. 17 Panera Bread to sell pink bagels Publ.Date : Fri, 10 Oct 2008 16:05:31 GMT Coleman calls off negative ads - Minneapolis Star Tribune
Minneapolis Star Tribune - By Patricia Lopez, Star Tribune ...and it has nothing at all to do with several outlets (including one of Franken's ads) letting us know that a Coleman ad that wants us to … read more see Franken looking out of control/angry, is actually video of ... Coleman: I'll remove negative ads and urge others to do same Coleman says he'll pull negative ads to focus on economy Publ.Date : Fri, 10 Oct 2008 17:25:04 GMT UPDATE 1-Bush says US moving quickly to solve market crisis - Forbes
Forbes - WASHINGTON, Oct 10 (Reuters) - President George W. Bush said on Friday the US government was moving aggressively to address the financial markets crisis, but he acknowledged that anxiety was feeding on itself as stocks continued to plunge. Bush appeals for confidence Bush Says Markets Must Remain Calm Despite Challenges Publ.Date : Fri, 10 Oct 2008 16:33:45 GMT A Cautious Approach to Gardasil Shot - U.S. News & World Report
U.S. News & World Report - News today cheering the fact that 1 in 4 teen girls has received the Gardasil vaccine sounds to me like some serious spin from the Centers for Disease Control and Prevention, the government agency pushing girls as young as 9 to get the shot. Cancer Vaccine Used by 25% of Girls 13 to 17 Quarter of adolescent US girls received HPV vaccine Publ.Date : Fri, 10 Oct 2008 17:14:13 GMT States probe possible voter registration fraud - Chicago Tribune
Chicago Tribune - Questions about possible cases of fraudulent voter registrations were being raised this week as officials in several states investigated hundreds of questionable or duplicate registration forms submitted by an advocacy group. Carnahan statement on ACORN registration mess Republicans try to tie Obama to vote fraud cases Publ.Date : Fri, 10 Oct 2008 16:48:10 GMT NATO agrees on Afghan drug role for military - The Associated Press
The Associated Press - BUDAPEST, Hungary (AP) - NATO defense ministers Friday authorized their troops in Afghanistan to attack drug barons blamed for pumping up to US$100 million (euro74 million) a year into the coffers of resurgent Taliban fighters. NATO Joins Drug War in Afghanistan NATO to Hit Drug Trade in Afghanistan Publ.Date : Fri, 10 Oct 2008 16:11:48 GMT Eagles' Westbrook out for Sunday's game - Sports Network
Sports Network - Philadelphia, PA (Sports Network) - Philadelphia Eagles running back Brian Westbrook will not play on Sunday at San Francisco. Westbrook, who has been hampered by a sprained ankle he suffered in the Week 3 victory over Pittsburgh, fractured his ribs in ... Brian Westbrook: Ruled Out Les Bowen: Eagles vs. 49ers: The pick Publ.Date : Fri, 10 Oct 2008 17:20:18 GMT Increase Search Engine Traffic |
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