Febreze Noticeables Dual Scented Oil Refill, Relaxing Night & Delightful Dreams, if you can’t get enough in a spirit, try surrounding yourself with freshness for the whole month, every month. Febreze Noticeables is innovative scented oil warmer you simply plug into any outlet for 30 days of uplifting fragrance. Unlike other electric fresheners, it actually eliminates odors from the air. And while you may get used to the others, you’ll always notice Noticeables. That’s because Noticeables oil warmer alternates between two complementary scents all day. In addition to living rooms, bedrooms, bathrooms and kitchens, try it for background odors like smoke, mustiness and pet smell.