Word: puritron
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...ductless hood for the stove, just introduced by Puritron, uses electronics to cope with the smoke and grease that all too rapidly foul the usual hood's charcoal filter. A tiny ion tube of gold alloy releases a stream of negative ions when the hood is turned on, promptly attacking the positive ions in the air, around which the molecules of smoke and cooking odor gather. This precipitates the molecules on an easily washed aluminum filter-releasing fresh, clean air again. In three sizes and colors...