Our Vision: Lead manufacturer of innovative sustainable and affordable clean air filtration in North America. Our Mission: To deliver reliable clean air filtration to protect our customers,in an efficient manner that respects both the environment and the community. Improving Air Quality of Indoor Spaces. Activated carbon is one of the most effective ways of removing odor from the air. KFI is the first company in North America to offer a full line of filters using activated carbon derived from renewable resources.