| http://www.w3.org/ns/prov#value | - Purified Air Mar 14, 2004 I have a 21 year old son with asthma but since having an air purifier in my home that covers the whole house; I have found it to help all 8 of my children who live at home still even in the midst of this WI winter - we have had no colds or flu or other respiratory ills.
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