The Carpet and Rug Institute (CRI) uses scientific methods such as X-ray fluorescence (XRF) to determine the amount of soil vacuum cleaners remove from carpets. According to CRI, the best vacuums - those receiving CRI's Seal of Approval (SOA) - remove between 40 to 55 percent or so of soil.
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This highlights the need for periodic extraction or deep cleaning of carpets (aka, "steam cleaning") to remove embedded soil, reduce carpet wear, protect carpet appearance, and help ensure a healthier indoor environment.
Vacuum cleaner soil removal : Created on November 3rd, 2009. Last Modified on November 3rd, 2009
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