4/05/2011

Surround Air XJ-3000 Spare Filter Review

Surround Air XJ-3000 Spare Filter
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When I received it on 12/31/10 and took it out of its box, the only paperwork I found was a receipt and small form for Warranty Registration which stated "Please refer to the guarantee and warranty statement enclosed with your unit", and the Serial Number was on the bottom of the unit. There was no instruction booklet for this unit to explain operation, parts and warranty. Also there was no Serial Number on bottom of unit. There was a small tag on back which had "No10010075" which I assume is the Serial Number. . I am 84 years old and this is the first time I have ever purchased something that had no printed instructions or Manual.
It also stated that I could register online at www.surroundair.com/register. I went to that site but there was no place to register it there. The site also did not provide any way to download or obtain a manual. I contacted Surround Air by EMail and the answer I received back was that Amazon registered this unit but no mention of obtaining a manual.
After removing coverings from HEPA filter, I turned it on to high and thought it would run until the air was cleaned. After running all day it never turned off or slowed down so it appears that the unit does not have any type of sensor to do that. I never have noticed any change in the air quality so I can not fairly rate the unit except that it does not seem to do anything.

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HEPA air filters are made from very tiny glass fibers that are made into a tightly woven paper. This creates a filter consisting of a multitude of very small sieves that can capture extremely small particles, including some biological agents. Once trapped, contaminates and particles are not able to flow back into circulation, due to the highly absorbent pores of the HEPA air filter.HEPA air filters are largely considered the most effective type of air filter for solid particles, such as dust and other allergens. HEPA air filters remove 99.97% of particles down to 0.3 microns in size, almost 300 times smaller than the width of a human hair. The Atomic Energy Commission developed HEPA air filters during the Second World War. They were originally designed to remove radioactive dust from their plants. The U.S. Dept. of Homeland Security recommends HEPA air filters. HEPA air filters are effective for solid and liquid particles, but not effective for gaseous particles. The XJ-3000C HEPA & ionic air purifier incorporates other technologies that are effective against gaseous particles, such as ionization and activated carbon filtration.

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