Doesn't just mask, truly eliminates odors;Febreze NOTICEables eliminates odors with two alternating scents that freshen for up to 45 days (on low setting);Just plug this air freshener into any outlet to begin eliminating odors;Great for removing common background odors from living rooms, bedrooms, kitchens, and more;The familiar freshness of Gain comes to life throughout your home in a light, airy scent