by-product / fuel-burning equipment / use chemicals / WEB Original / WEB Hepa-Pure / approximate retail / basic technology / Vent heating equipment / energy use / energy / /
Movie
High and Low / /
MusicGroup
B & B / B &B / /
Organization
American Lung Association / Association of Home Appliance Manufacturers / Asthma and Allergy Foundation of America / Penn State medical center / American Academy of Allergy Asthma and Immunology / Environmental Protection Agency / Consumers Union of U.S. / /
Background Material: [removed]Consumer Reports; Air Cleaners - Some Do Little Cleaning