· Lasts 45 days. No Batteries. No Outlets.· Doesn’t mask: fights odors with up to 4x the scent intensity of the leading cone air freshener· Fight odors and treat your senses to the citrus-y freshness of Gain· Convenient, all-in-one odor fighter that’s longer lasting with no need for messy refills· Perfect for every stinky nook or cranny like bathrooms, bedrooms, and closets