Air Oasis AO1000 Surface and Air Sanitizer 1000 Sq Ft Coverage This air purifier quickly and effectively reduces carbon-based contaminants, providing fresh, clean smelling air in only minutes Eliminates oders left behind from cigarette smoke Cleans up to 1000-square feet area Uses AHPCO (advanced hydration photocatalytic oxidation) technology developed by NASA This air purifier quickly and effectively reduces carbon-based contaminants, providing fresh, clean smelling air in only minutes Eliminates oders left behind from cigarette smoke Cleans up to 1000-square feet area Uses AHPCO (advanced hydration photocatalytic oxidation) technology developed by NASA Product Built to North American Electrical Standards