Procter & Gamble Febreze NOTICEables Alternating Scented Oil Warmer. White Colour. Febreze NOTICEables eliminates odors and freshens for up to 30 days. Actually eliminates odors, rather than just masking them. Great for removing common background odors from living rooms, bedrooms, kitchens, bathrooms and more. Works with NOTICEables air freshener refills that alternate complementary scents for consistent freshness. Refills (sold separately). Plug it in to any outlet.