Freshens the air for 30 days: Unique fragrances are designed for consistent and powerful 30-day performance. Eco Air outperforms gels, wicks, and aerosols. Stays strong: Cannot break or spill. Use it in restrooms, conference rooms, entry ways, lobbies, trash rooms, or near soiled linens. Cares for the environment: Contains no batteries or fans and is 100% recyclable. Part of an industry first closed-loop recycling program that allows you to easily recycle them.