Eco-Air, the powerful battery-free air freshener for medium-sized spaces. The Eco-Air Dispenser outperforms gels, wicks, and aerosols using unique fragrances that are designed for consistent and powerful 30-day performance. The Eco-Air is freshness made simple. It utilizes the Eco-Air refill, which is a solid that has been infused with natural fragrance oils, so there's no messy gels, liquids, or residue. The Eco-Air Dispenser can go anywhere freshness is needed. From conference rooms and entryways to restrooms and trash rooms. Simply mount it on the wall near a door so the natural air flow can spread the fragrance throughout the space.