This 3D-printed smart home has an air-purifying system that claims to eliminate 99.9% of bacteria and viruses — see inside

· Haus makes self-sustaining, 3D printed smart homes.
· The house can go on any flat piece of land, with no utility hookups necessary.
· Haus says its homes are "zombie proof," and anti-viral and anti-bacterial.
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Haus is selling homes that seem to do it all –...