Breathe cleaner air with Sans. With coverage up to 1560 sq. ft. per hour, Sans is perfect for your home, whether it be an apartment or house. One less thing to worry about. Simply plug in and Sans will take care of the rest. **Technical Details** - Pre-filter, HEPA 13 filtration, activated carbon for chemical absorption and a powerful internal UV-C light. - Air quality indicator with three levels. - Automated air cleansing based on air quality. - Whisper quiet. Sans won't disturb you while you sleep. - Child lock. - Filter replacement indicator. Our filter provides 2200 hours (three months) of continuous protection.